252766387 has 8 divisors (see below), whose sum is σ = 267980400. Its totient is φ = 237590784.

The previous prime is 252766379. The next prime is 252766399. The reversal of 252766387 is 783667252.

252766387 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 252766387 - 2³ = 252766379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252766187) 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, 4564 + ... + 22942.

It is an arithmetic number, because the mean of its divisors is an integer number (33497550).

Almost surely, 2^252766387 is an apocalyptic number.

252766387 is a deficient number, since it is larger than the sum of its proper divisors (15214013).

252766387 is a wasteful number, since it uses less digits than its factorization.

252766387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19205.

The product of its digits is 846720, while the sum is 46.

The square root of 252766387 is about 15898.6284628580. The cubic root of 252766387 is about 632.2756260186.

The spelling of 252766387 in words is "two hundred fifty-two million, seven hundred sixty-six thousand, three hundred eighty-seven".