24520513225 has 24 divisors (see below), whose sum is σ = 33050384640. Its totient is φ = 17938201920.

The previous prime is 24520513217. The next prime is 24520513243. The reversal of 24520513225 is 52231502542.

It is not a de Polignac number, because 24520513225 - 2³ = 24520513217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317785 + ... + 387334.

It is an arithmetic number, because the mean of its divisors is an integer number (1377099360).

Almost surely, 2^24520513225 is an apocalyptic number.

24520513225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24520513225 is a deficient number, since it is larger than the sum of its proper divisors (8529871415).

24520513225 is a wasteful number, since it uses less digits than its factorization.

24520513225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705249 (or 705244 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 24520513225 in words is "twenty-four billion, five hundred twenty million, five hundred thirteen thousand, two hundred twenty-five".