252666093 has 8 divisors (see below), whose sum is σ = 338599008. Its totient is φ = 167588624.

The previous prime is 252666091. The next prime is 252666133. The reversal of 252666093 is 390666252.

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 252666093 - 2¹ = 252666091 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252666091) 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, 213171 + ... + 214352.

It is an arithmetic number, because the mean of its divisors is an integer number (42324876).

Almost surely, 2^252666093 is an apocalyptic number.

It is an amenable number.

252666093 is a deficient number, since it is larger than the sum of its proper divisors (85932915).

252666093 is a wasteful number, since it uses less digits than its factorization.

252666093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427723.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 252666093 is about 15895.4739784632. The cubic root of 252666093 is about 632.1919890532.

The spelling of 252666093 in words is "two hundred fifty-two million, six hundred sixty-six thousand, ninety-three".