25288782 has 16 divisors (see below), whose sum is σ = 50844672. Its totient is φ = 8385080.

The previous prime is 25288771. The next prime is 25288787. The reversal of 25288782 is 28788252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25288787) 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, 9888 + ... + 12179.

It is an arithmetic number, because the mean of its divisors is an integer number (3177792).

Almost surely, 2^25288782 is an apocalyptic number.

25288782 is an abundant number, since it is smaller than the sum of its proper divisors (25555890).

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

25288782 is a wasteful number, since it uses less digits than its factorization.

25288782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22263.

The product of its digits is 143360, while the sum is 42.

The square root of 25288782 is about 5028.7952831667. The cubic root of 25288782 is about 293.5233379301.

The spelling of 25288782 in words is "twenty-five million, two hundred eighty-eight thousand, seven hundred eighty-two".