25232500 has 30 divisors (see below), whose sum is σ = 55183898. Its totient is φ = 10092000.

The previous prime is 25232497. The next prime is 25232503. The reversal of 25232500 is 523252.

It is an interprime number because it is at equal distance from previous prime (25232497) and next prime (25232503).

It can be written as a sum of positive squares in 5 ways, for example, as 9771876 + 15460624 = 3126^2 + 3932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25232503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2547 + ... + 7546.

Almost surely, 2^25232500 is an apocalyptic number.

25232500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25232500 is an abundant number, since it is smaller than the sum of its proper divisors (29951398).

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

25232500 is a wasteful number, since it uses less digits than its factorization.

25232500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10117 (or 10100 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 25232500 is about 5023.1961936600. The cubic root of 25232500 is about 293.3054237679.

Adding to 25232500 its reverse (523252), we get a palindrome (25755752).

The spelling of 25232500 in words is "twenty-five million, two hundred thirty-two thousand, five hundred".