25245051 has 48 divisors (see below), whose sum is σ = 40318560. Its totient is φ = 13977600.

The previous prime is 25245049. The next prime is 25245061. The reversal of 25245051 is 15054252.

It is a happy number.

It is not a de Polignac number, because 25245051 - 2¹ = 25245049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25245001) 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 47 ways as a sum of consecutive naturals, for example, 249901 + ... + 250001.

It is an arithmetic number, because the mean of its divisors is an integer number (839970).

Almost surely, 2^25245051 is an apocalyptic number.

25245051 is a deficient number, since it is larger than the sum of its proper divisors (15073509).

25245051 is a wasteful number, since it uses less digits than its factorization.

25245051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 25245051 is about 5024.4453425229. The cubic root of 25245051 is about 293.3540471197.

The spelling of 25245051 in words is "twenty-five million, two hundred forty-five thousand, fifty-one".