25492782 has 16 divisors (see below), whose sum is σ = 58269312. Its totient is φ = 7283640.

The previous prime is 25492777. The next prime is 25492783. The reversal of 25492782 is 28729452.

It is a self number, because there is not a number n which added to its sum of digits gives 25492782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25492783) 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, 303444 + ... + 303527.

It is an arithmetic number, because the mean of its divisors is an integer number (3641832).

Almost surely, 2^25492782 is an apocalyptic number.

25492782 is an abundant number, since it is smaller than the sum of its proper divisors (32776530).

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

25492782 is a wasteful number, since it uses less digits than its factorization.

25492782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606983.

The product of its digits is 80640, while the sum is 39.

The square root of 25492782 is about 5049.0377301026. The cubic root of 25492782 is about 294.3104915423.

The spelling of 25492782 in words is "twenty-five million, four hundred ninety-two thousand, seven hundred eighty-two".