52542412501 has 2 divisors, whose sum is σ = 52542412502. Its totient is φ = 52542412500.

The previous prime is 52542412493. The next prime is 52542412561. The reversal of 52542412501 is 10521424525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34733776900 + 17808635601 = 186370^2 + 133449^2 .

It is a cyclic number.

It is not a de Polignac number, because 52542412501 - 2³ = 52542412493 is a prime.

It is a super-2 number, since 2×52542412501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52542412561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26271206250 + 26271206251.

It is an arithmetic number, because the mean of its divisors is an integer number (26271206251).

Almost surely, 2^52542412501 is an apocalyptic number.

It is an amenable number.

52542412501 is a deficient number, since it is larger than the sum of its proper divisors (1).

52542412501 is an equidigital number, since it uses as much as digits as its factorization.

52542412501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 52542412501 in words is "fifty-two billion, five hundred forty-two million, four hundred twelve thousand, five hundred one".