252012540019 has 2 divisors, whose sum is σ = 252012540020. Its totient is φ = 252012540018.

The previous prime is 252012540001. The next prime is 252012540061. The reversal of 252012540019 is 910045210252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252012540019 - 2²¹ = 252010442867 is a prime.

It is a super-2 number, since 2×252012540019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252012540919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126006270009 + 126006270010.

It is an arithmetic number, because the mean of its divisors is an integer number (126006270010).

Almost surely, 2^252012540019 is an apocalyptic number.

252012540019 is a deficient number, since it is larger than the sum of its proper divisors (1).

252012540019 is an equidigital number, since it uses as much as digits as its factorization.

252012540019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 252012540019 in words is "two hundred fifty-two billion, twelve million, five hundred forty thousand, nineteen".