252676789 has 2 divisors, whose sum is σ = 252676790. Its totient is φ = 252676788.

The previous prime is 252676783. The next prime is 252676799. The reversal of 252676789 is 987676252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238949764 + 13727025 = 15458^2 + 3705^2 .

It is a cyclic number.

It is not a de Polignac number, because 252676789 - 2⁵ = 252676757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252676783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126338394 + 126338395.

It is an arithmetic number, because the mean of its divisors is an integer number (126338395).

Almost surely, 2^252676789 is an apocalyptic number.

It is an amenable number.

252676789 is a deficient number, since it is larger than the sum of its proper divisors (1).

252676789 is an equidigital number, since it uses as much as digits as its factorization.

252676789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 52.

The square root of 252676789 is about 15895.8104228756. The cubic root of 252676789 is about 632.2009096936.

The spelling of 252676789 in words is "two hundred fifty-two million, six hundred seventy-six thousand, seven hundred eighty-nine".