25261432 has 16 divisors (see below), whose sum is σ = 54131760. Its totient is φ = 10826304.

The previous prime is 25261427. The next prime is 25261433. The reversal of 25261432 is 23416252.

It is a junction number, because it is equal to n+sod(n) for n = 25261397 and 25261406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25261433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225493 + ... + 225604.

It is an arithmetic number, because the mean of its divisors is an integer number (3383235).

Almost surely, 2^25261432 is an apocalyptic number.

It is an amenable number.

25261432 is an abundant number, since it is smaller than the sum of its proper divisors (28870328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25261432 is a wasteful number, since it uses less digits than its factorization.

25261432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451110 (or 451106 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 25261432 is about 5026.0752083509. The cubic root of 25261432 is about 293.4174838917.

Adding to 25261432 its reverse (23416252), we get a palindrome (48677684).

The spelling of 25261432 in words is "twenty-five million, two hundred sixty-one thousand, four hundred thirty-two".