25402134 has 16 divisors (see below), whose sum is σ = 51448320. Its totient is φ = 8360040.

The previous prime is 25402127. The next prime is 25402163. The reversal of 25402134 is 43120452.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 25402134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26322 + ... + 27269.

It is an arithmetic number, because the mean of its divisors is an integer number (3215520).

Almost surely, 2^25402134 is an apocalyptic number.

25402134 is an abundant number, since it is smaller than the sum of its proper divisors (26046186).

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

25402134 is a wasteful number, since it uses less digits than its factorization.

25402134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53675.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25402134 is about 5040.0529759121. The cubic root of 25402134 is about 293.9612378903.

Adding to 25402134 its reverse (43120452), we get a palindrome (68522586).

The spelling of 25402134 in words is "twenty-five million, four hundred two thousand, one hundred thirty-four".