25402332 has 24 divisors (see below), whose sum is σ = 60278400. Its totient is φ = 8323696.

The previous prime is 25402319. The next prime is 25402339. The reversal of 25402332 is 23320452.

It is a junction number, because it is equal to n+sod(n) for n = 25402299 and 25402308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25402339) 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, 17232 + ... + 18647.

It is an arithmetic number, because the mean of its divisors is an integer number (2511600).

Almost surely, 2^25402332 is an apocalyptic number.

It is an amenable number.

25402332 is an abundant number, since it is smaller than the sum of its proper divisors (34876068).

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

25402332 is a wasteful number, since it uses less digits than its factorization.

25402332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35945 (or 35943 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 25402332 is about 5040.0726185245. The cubic root of 25402332 is about 293.9620016604.

Adding to 25402332 its reverse (23320452), we get a palindrome (48722784).

The spelling of 25402332 in words is "twenty-five million, four hundred two thousand, three hundred thirty-two".