25243492 has 12 divisors (see below), whose sum is σ = 44264556. Its totient is φ = 12596480.

The previous prime is 25243481. The next prime is 25243507. The reversal of 25243492 is 29434252.

It can be written as a sum of positive squares in 2 ways, for example, as 7485696 + 17757796 = 2736^2 + 4214^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3973 + ... + 8140.

It is an arithmetic number, because the mean of its divisors is an integer number (3688713).

Almost surely, 2^25243492 is an apocalyptic number.

It is an amenable number.

25243492 is a deficient number, since it is larger than the sum of its proper divisors (19021064).

25243492 is a wasteful number, since it uses less digits than its factorization.

25243492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12638 (or 12636 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 25243492 is about 5024.2901986251. The cubic root of 25243492 is about 293.3480083338.

The spelling of 25243492 in words is "twenty-five million, two hundred forty-three thousand, four hundred ninety-two".