25492434 has 16 divisors (see below), whose sum is σ = 55620000. Its totient is φ = 7724960.

The previous prime is 25492427. The next prime is 25492451. The reversal of 25492434 is 43429452.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 25492395 and 25492404.

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, 193059 + ... + 193190.

It is an arithmetic number, because the mean of its divisors is an integer number (3476250).

Almost surely, 2^25492434 is an apocalyptic number.

25492434 is an abundant number, since it is smaller than the sum of its proper divisors (30127566).

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

25492434 is a wasteful number, since it uses less digits than its factorization.

25492434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386265.

The product of its digits is 34560, while the sum is 33.

The square root of 25492434 is about 5049.0032679728. The cubic root of 25492434 is about 294.3091523330.

Subtracting from 25492434 its sum of digits (33), we obtain a square (25492401 = 5049²).

The spelling of 25492434 in words is "twenty-five million, four hundred ninety-two thousand, four hundred thirty-four".