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25235433 = 322803937
BaseRepresentation
bin110000001000…
…0111111101001
31202111002111200
41200100333221
522430013213
62300514413
7424332456
oct140207751
952432450
1025235433
1113276833
12854ba09
1352c7412
1434cc82d
152337273
hex1810fe9

25235433 has 6 divisors (see below), whose sum is σ = 36451194. Its totient is φ = 16823616.

The previous prime is 25235417. The next prime is 25235449. The reversal of 25235433 is 33453252.

It is an interprime number because it is at equal distance from previous prime (25235417) and next prime (25235449).

It can be written as a sum of positive squares in only one way, i.e., 18249984 + 6985449 = 4272^2 + 2643^2 .

It is not a de Polignac number, because 25235433 - 24 = 25235417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25235397 and 25235406.

It is not an unprimeable number, because it can be changed into a prime (25235233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1401960 + ... + 1401977.

It is an arithmetic number, because the mean of its divisors is an integer number (6075199).

Almost surely, 225235433 is an apocalyptic number.

It is an amenable number.

25235433 is a deficient number, since it is larger than the sum of its proper divisors (11215761).

25235433 is a wasteful number, since it uses less digits than its factorization.

25235433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803943 (or 2803940 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 25235433 is about 5023.4881307713. The cubic root of 25235433 is about 293.3167878351.

Adding to 25235433 its reverse (33453252), we get a palindrome (58688685).

The spelling of 25235433 in words is "twenty-five million, two hundred thirty-five thousand, four hundred thirty-three".

Divisors: 1 3 9 2803937 8411811 25235433