25378952 has 16 divisors (see below), whose sum is σ = 47684700. Its totient is φ = 12663040.

The previous prime is 25378939. The next prime is 25378957. The reversal of 25378952 is 25987352.

It can be written as a sum of positive squares in 2 ways, for example, as 23755876 + 1623076 = 4874^2 + 1274^2 .

It is not an unprimeable number, because it can be changed into a prime (25378957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124 + ... + 7212.

Almost surely, 2^25378952 is an apocalyptic number.

It is an amenable number.

25378952 is a deficient number, since it is larger than the sum of its proper divisors (22305748).

25378952 is a wasteful number, since it uses less digits than its factorization.

25378952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6616 (or 6612 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 25378952 is about 5037.7526735639. The cubic root of 25378952 is about 293.8717876171.

Subtracting 25378952 from its reverse (25987352), we obtain a square (608400 = 780²).

The spelling of 25378952 in words is "twenty-five million, three hundred seventy-eight thousand, nine hundred fifty-two".