5211011525 has 12 divisors (see below), whose sum is σ = 6484658244. Its totient is φ = 4153968000.

The previous prime is 5211011453. The next prime is 5211011543. The reversal of 5211011525 is 5251101125.

It can be written as a sum of positive squares in 6 ways, for example, as 40538689 + 5170472836 = 6367^2 + 71906^2 .

It is not a de Polignac number, because 5211011525 - 2¹² = 5211007429 is a prime.

It is a super-2 number, since 2×5211011525² = 54309282227365651250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5211011525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363866 + ... + 377915.

It is an arithmetic number, because the mean of its divisors is an integer number (540388187).

Almost surely, 2^5211011525 is an apocalyptic number.

It is an amenable number.

5211011525 is a deficient number, since it is larger than the sum of its proper divisors (1273646719).

5211011525 is a wasteful number, since it uses less digits than its factorization.

5211011525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742072 (or 742067 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 5211011525 is about 72187.3363201608. The cubic root of 5211011525 is about 1733.7002476667.

The spelling of 5211011525 in words is "five billion, two hundred eleven million, eleven thousand, five hundred twenty-five".