252786011 has 4 divisors (see below), whose sum is σ = 261502800. Its totient is φ = 244069224.

The previous prime is 252785987. The next prime is 252786019. The reversal of 252786011 is 110687252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252786011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252786019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4358351 + ... + 4358408.

It is an arithmetic number, because the mean of its divisors is an integer number (65375700).

Almost surely, 2^252786011 is an apocalyptic number.

252786011 is a deficient number, since it is larger than the sum of its proper divisors (8716789).

252786011 is an equidigital number, since it uses as much as digits as its factorization.

252786011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716788.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 252786011 is about 15899.2456110345. The cubic root of 252786011 is about 632.2919882360.

The spelling of 252786011 in words is "two hundred fifty-two million, seven hundred eighty-six thousand, eleven".