52515240979 has 2 divisors, whose sum is σ = 52515240980. Its totient is φ = 52515240978.

The previous prime is 52515240949. The next prime is 52515240997. The reversal of 52515240979 is 97904251525.

52515240979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (52515240997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52515240979 - 2⁹ = 52515240467 is a prime.

It is not a weakly prime, because it can be changed into another prime (52515240949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26257620489 + 26257620490.

It is an arithmetic number, because the mean of its divisors is an integer number (26257620490).

Almost surely, 2^52515240979 is an apocalyptic number.

52515240979 is a deficient number, since it is larger than the sum of its proper divisors (1).

52515240979 is an equidigital number, since it uses as much as digits as its factorization.

52515240979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 52515240979 in words is "fifty-two billion, five hundred fifteen million, two hundred forty thousand, nine hundred seventy-nine".