252551611 has 8 divisors (see below), whose sum is σ = 274672944. Its totient is φ = 230815200.

The previous prime is 252551581. The next prime is 252551617. The reversal of 252551611 is 116155252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252551611 - 2⁷ = 252551483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252551611.

It is not an unprimeable number, because it can be changed into a prime (252551617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94861 + ... + 97486.

It is an arithmetic number, because the mean of its divisors is an integer number (34334118).

Almost surely, 2^252551611 is an apocalyptic number.

252551611 is a deficient number, since it is larger than the sum of its proper divisors (22121333).

252551611 is a wasteful number, since it uses less digits than its factorization.

252551611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192461.

The product of its digits is 3000, while the sum is 28.

The square root of 252551611 is about 15891.8724824987. The cubic root of 252551611 is about 632.0964934051.

The spelling of 252551611 in words is "two hundred fifty-two million, five hundred fifty-one thousand, six hundred eleven".