52425192121 has 2 divisors, whose sum is σ = 52425192122. Its totient is φ = 52425192120.

The previous prime is 52425192101. The next prime is 52425192151. The reversal of 52425192121 is 12129152425.

52425192121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45769895721 + 6655296400 = 213939^2 + 81580^2 .

It is a cyclic number.

It is not a de Polignac number, because 52425192121 - 2⁷ = 52425191993 is a prime.

It is not a weakly prime, because it can be changed into another prime (52425192101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26212596060 + 26212596061.

It is an arithmetic number, because the mean of its divisors is an integer number (26212596061).

Almost surely, 2^52425192121 is an apocalyptic number.

It is an amenable number.

52425192121 is a deficient number, since it is larger than the sum of its proper divisors (1).

52425192121 is an equidigital number, since it uses as much as digits as its factorization.

52425192121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 34.

The spelling of 52425192121 in words is "fifty-two billion, four hundred twenty-five million, one hundred ninety-two thousand, one hundred twenty-one".