25249527 has 12 divisors (see below), whose sum is σ = 36553920. Its totient is φ = 16795008.

The previous prime is 25249519. The next prime is 25249541. The reversal of 25249527 is 72594252.

It is a happy number.

It is not a de Polignac number, because 25249527 - 2³ = 25249519 is a prime.

It is a super-2 number, since 2×25249527² = 1275077227447458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25249491 and 25249500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25249507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1383 + ... + 7239.

It is an arithmetic number, because the mean of its divisors is an integer number (3046160).

Almost surely, 2^25249527 is an apocalyptic number.

25249527 is a deficient number, since it is larger than the sum of its proper divisors (11304393).

25249527 is a wasteful number, since it uses less digits than its factorization.

25249527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342 (or 6339 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 25249527 is about 5024.8907450809. The cubic root of 25249527 is about 293.3713835225.

The spelling of 25249527 in words is "twenty-five million, two hundred forty-nine thousand, five hundred twenty-seven".