252662561 has 8 divisors (see below), whose sum is σ = 257230944. Its totient is φ = 248117760.

The previous prime is 252662533. The next prime is 252662573. The reversal of 252662561 is 165266252.

252662561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252662561 - 2⁶ = 252662497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252662581) 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, 16481 + ... + 27873.

It is an arithmetic number, because the mean of its divisors is an integer number (32153868).

Almost surely, 2^252662561 is an apocalyptic number.

It is an amenable number.

252662561 is a deficient number, since it is larger than the sum of its proper divisors (4568383).

252662561 is a wasteful number, since it uses less digits than its factorization.

252662561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11791.

The product of its digits is 43200, while the sum is 35.

The square root of 252662561 is about 15895.3628772671. The cubic root of 252662561 is about 632.1890432516.

The spelling of 252662561 in words is "two hundred fifty-two million, six hundred sixty-two thousand, five hundred sixty-one".