5251240335525 has 24 divisors (see below), whose sum is σ = 9192759554304. Its totient is φ = 2635916716800.

The previous prime is 5251240335503. The next prime is 5251240335553. The reversal of 5251240335525 is 5255330421525.

It is not a de Polignac number, because 5251240335525 - 2²⁴ = 5251223558309 is a prime.

It is a super-2 number, since 2×5251240335525² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 2059308661 + ... + 2059311210.

It is an arithmetic number, because the mean of its divisors is an integer number (383031648096).

Almost surely, 2^{5251240335525} is an apocalyptic number.

It is an amenable number.

5251240335525 is a deficient number, since it is larger than the sum of its proper divisors (3941519218779).

5251240335525 is a wasteful number, since it uses less digits than its factorization.

5251240335525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118619901 (or 4118619896 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 5251240335525 in words is "five trillion, two hundred fifty-one billion, two hundred forty million, three hundred thirty-five thousand, five hundred twenty-five".