508315853 has 2 divisors, whose sum is σ = 508315854. Its totient is φ = 508315852.

The previous prime is 508315823. The next prime is 508315859. The reversal of 508315853 is 358513805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507240484 + 1075369 = 22522^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 508315853 - 2¹² = 508311757 is a prime.

It is a super-2 number, since 2×508315853² = 516770012822235218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (508315859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254157926 + 254157927.

It is an arithmetic number, because the mean of its divisors is an integer number (254157927).

Almost surely, 2^508315853 is an apocalyptic number.

It is an amenable number.

508315853 is a deficient number, since it is larger than the sum of its proper divisors (1).

508315853 is an equidigital number, since it uses as much as digits as its factorization.

508315853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 508315853 is about 22545.8611057551. The cubic root of 508315853 is about 798.0765525813.

The spelling of 508315853 in words is "five hundred eight million, three hundred fifteen thousand, eight hundred fifty-three".