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25345061 = 73620723
BaseRepresentation
bin110000010101…
…1110000100101
31202200122212222
41200223300211
522442020221
62303122125
7425300210
oct140536045
952618788
1025345061
1113341135
1285a3345
1353352a1
14351a777
1523599ab
hex182bc25

25345061 has 4 divisors (see below), whose sum is σ = 28965792. Its totient is φ = 21724332.

The previous prime is 25345051. The next prime is 25345063. The reversal of 25345061 is 16054352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25345061 - 26 = 25344997 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 25345061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25345063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810355 + ... + 1810368.

It is an arithmetic number, because the mean of its divisors is an integer number (7241448).

Almost surely, 225345061 is an apocalyptic number.

It is an amenable number.

25345061 is a deficient number, since it is larger than the sum of its proper divisors (3620731).

25345061 is an equidigital number, since it uses as much as digits as its factorization.

25345061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620730.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 25345061 is about 5034.3878475938. The cubic root of 25345061 is about 293.7409174195.

The spelling of 25345061 in words is "twenty-five million, three hundred forty-five thousand, sixty-one".

Divisors: 1 7 3620723 25345061