508857953 has 2 divisors, whose sum is σ = 508857954. Its totient is φ = 508857952.

The previous prime is 508857941. The next prime is 508857967. The reversal of 508857953 is 359758805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398880784 + 109977169 = 19972^2 + 10487^2 .

It is a cyclic number.

It is not a de Polignac number, because 508857953 - 2¹⁸ = 508595809 is a prime.

It is not a weakly prime, because it can be changed into another prime (508857353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254428976 + 254428977.

It is an arithmetic number, because the mean of its divisors is an integer number (254428977).

Almost surely, 2^508857953 is an apocalyptic number.

It is an amenable number.

508857953 is a deficient number, since it is larger than the sum of its proper divisors (1).

508857953 is an equidigital number, since it uses as much as digits as its factorization.

508857953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 50.

The square root of 508857953 is about 22557.8800644032. The cubic root of 508857953 is about 798.3601581325.

The spelling of 508857953 in words is "five hundred eight million, eight hundred fifty-seven thousand, nine hundred fifty-three".