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25041125 = 53200329
BaseRepresentation
bin101111110000…
…1100011100101
31202010012222002
41133201203211
522402304000
62252415045
7422563124
oct137414345
952105862
1025041125
111315384a
128477485
135259b45
14347babb
1522e98d5
hex17e18e5

25041125 has 8 divisors (see below), whose sum is σ = 31251480. Its totient is φ = 20032800.

The previous prime is 25041109. The next prime is 25041127. The reversal of 25041125 is 52114052.

It can be written as a sum of positive squares in 4 ways, for example, as 131044 + 24910081 = 362^2 + 4991^2 .

It is not a de Polignac number, because 25041125 - 24 = 25041109 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25041097 and 25041106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25041127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100040 + ... + 100289.

It is an arithmetic number, because the mean of its divisors is an integer number (3906435).

Almost surely, 225041125 is an apocalyptic number.

25041125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25041125 is a deficient number, since it is larger than the sum of its proper divisors (6210355).

25041125 is an equidigital number, since it uses as much as digits as its factorization.

25041125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200344 (or 200334 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 25041125 is about 5004.1108101240. The cubic root of 25041125 is about 292.5620196246.

Adding to 25041125 its reverse (52114052), we get a palindrome (77155177).

The spelling of 25041125 in words is "twenty-five million, forty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 200329 1001645 5008225 25041125