252211041251 has 64 divisors (see below), whose sum is σ = 310623465600. Its totient is φ = 202184294400.

The previous prime is 252211041241. The next prime is 252211041259. The reversal of 252211041251 is 152140112252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 252211041251 - 2³⁴ = 235031172067 is a prime.

It is a super-2 number, since 2×252211041251² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252211041251.

It is not an unprimeable number, because it can be changed into a prime (252211041259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190923671 + ... + 190924991.

It is an arithmetic number, because the mean of its divisors is an integer number (4853491650).

Almost surely, 2^252211041251 is an apocalyptic number.

252211041251 is a deficient number, since it is larger than the sum of its proper divisors (58412424349).

252211041251 is a wasteful number, since it uses less digits than its factorization.

252211041251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520.

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 252211041251 in words is "two hundred fifty-two billion, two hundred eleven million, forty-one thousand, two hundred fifty-one".