25249293 has 32 divisors (see below), whose sum is σ = 38776320. Its totient is φ = 16228800.

The previous prime is 25249261. The next prime is 25249297. The reversal of 25249293 is 39294252.

It is not a de Polignac number, because 25249293 - 2⁵ = 25249261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25249297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128071 + ... + 128267.

It is an arithmetic number, because the mean of its divisors is an integer number (1211760).

Almost surely, 2^25249293 is an apocalyptic number.

It is an amenable number.

25249293 is a deficient number, since it is larger than the sum of its proper divisors (13527027).

25249293 is a wasteful number, since it uses less digits than its factorization.

25249293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 348 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 25249293 is about 5024.8674609386. The cubic root of 25249293 is about 293.3704772466.

The spelling of 25249293 in words is "twenty-five million, two hundred forty-nine thousand, two hundred ninety-three".