252764747 has 2 divisors, whose sum is σ = 252764748. Its totient is φ = 252764746.

The previous prime is 252764719. The next prime is 252764753. The reversal of 252764747 is 747467252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252764747 - 2¹⁰ = 252763723 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 252764698 and 252764707.

It is not a weakly prime, because it can be changed into another prime (252764777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126382373 + 126382374.

It is an arithmetic number, because the mean of its divisors is an integer number (126382374).

Almost surely, 2^252764747 is an apocalyptic number.

252764747 is a deficient number, since it is larger than the sum of its proper divisors (1).

252764747 is an equidigital number, since it uses as much as digits as its factorization.

252764747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658560, while the sum is 44.

The square root of 252764747 is about 15898.5768859983. The cubic root of 252764747 is about 632.2742585711.

The spelling of 252764747 in words is "two hundred fifty-two million, seven hundred sixty-four thousand, seven hundred forty-seven".