5240513476021 has 2 divisors, whose sum is σ = 5240513476022. Its totient is φ = 5240513476020.

The previous prime is 5240513475961. The next prime is 5240513476097. The reversal of 5240513476021 is 1206743150425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2727828804996 + 2512684671025 = 1651614^2 + 1585145^2 .

It is a cyclic number.

It is not a de Polignac number, because 5240513476021 - 2²⁹ = 5239976605109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5240513576021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2620256738010 + 2620256738011.

It is an arithmetic number, because the mean of its divisors is an integer number (2620256738011).

Almost surely, 2^{5240513476021} is an apocalyptic number.

It is an amenable number.

5240513476021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5240513476021 is an equidigital number, since it uses as much as digits as its factorization.

5240513476021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 5240513476021 in words is "five trillion, two hundred forty billion, five hundred thirteen million, four hundred seventy-six thousand, twenty-one".