5251034297520 has 280 divisors, whose sum is σ = 19968666311952. Its totient is φ = 1272977856000.

The previous prime is 5251034297501. The next prime is 5251034297521. The reversal of 5251034297520 is 257924301525.

5251034297520 is a `hidden beast` number, since 5 + 2 + 5 + 1 + 0 + 34 + 2 + 97 + 520 = 666.

It is a super-2 number, since 2×5251034297520² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5251034297521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3451131 + ... + 4734170.

Almost surely, 2^{5251034297520} is an apocalyptic number.

It is an amenable number.

5251034297520 is an abundant number, since it is smaller than the sum of its proper divisors (14717632014432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5251034297520 is a wasteful number, since it uses less digits than its factorization.

5251034297520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185343 (or 8185322 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 5251034297520 in words is "five trillion, two hundred fifty-one billion, thirty-four million, two hundred ninety-seven thousand, five hundred twenty".