25898292 has 120 divisors (see below), whose sum is σ = 81583040. Its totient is φ = 6998400.

The previous prime is 25898287. The next prime is 25898309. The reversal of 25898292 is 29289852.

25898292 is nontrivially palindromic in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42792 + ... + 43392.

Almost surely, 2^25898292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25898292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40791520).

25898292 is an abundant number, since it is smaller than the sum of its proper divisors (55684748).

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

25898292 is a wasteful number, since it uses less digits than its factorization.

25898292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 632 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 25898292 is about 5089.0364510386. The cubic root of 25898292 is about 295.8628077402.

The spelling of 25898292 in words is "twenty-five million, eight hundred ninety-eight thousand, two hundred ninety-two".