252861673 has 2 divisors, whose sum is σ = 252861674. Its totient is φ = 252861672.

The previous prime is 252861659. The next prime is 252861677. The reversal of 252861673 is 376168252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219128809 + 33732864 = 14803^2 + 5808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252861673 is a prime.

It is not a weakly prime, because it can be changed into another prime (252861677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126430836 + 126430837.

It is an arithmetic number, because the mean of its divisors is an integer number (126430837).

Almost surely, 2^252861673 is an apocalyptic number.

It is an amenable number.

252861673 is a deficient number, since it is larger than the sum of its proper divisors (1).

252861673 is an equidigital number, since it uses as much as digits as its factorization.

252861673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 252861673 is about 15901.6248540833. The cubic root of 252861673 is about 632.3550662309.

The spelling of 252861673 in words is "two hundred fifty-two million, eight hundred sixty-one thousand, six hundred seventy-three".