252213055535401 has 4 divisors (see below), whose sum is σ = 260348960552704. Its totient is φ = 244077150518100.

The previous prime is 252213055535393. The next prime is 252213055535431. The reversal of 252213055535401 is 104535550312252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252213055535401 - 2³ = 252213055535393 is a prime.

It is a super-2 number, since 2×252213055535401² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252213055535431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4067952508605 + ... + 4067952508666.

It is an arithmetic number, because the mean of its divisors is an integer number (65087240138176).

Almost surely, 2^{252213055535401} is an apocalyptic number.

It is an amenable number.

252213055535401 is a deficient number, since it is larger than the sum of its proper divisors (8135905017303).

252213055535401 is an equidigital number, since it uses as much as digits as its factorization.

252213055535401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8135905017302.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 252213055535401 in words is "two hundred fifty-two trillion, two hundred thirteen billion, fifty-five million, five hundred thirty-five thousand, four hundred one".