608315531 has 2 divisors, whose sum is σ = 608315532. Its totient is φ = 608315530.

The previous prime is 608315509. The next prime is 608315537. The reversal of 608315531 is 135513806.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 608315531 - 2²⁶ = 541206667 is a prime.

It is a super-2 number, since 2×608315531² = 740095570511623922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (608315537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304157765 + 304157766.

It is an arithmetic number, because the mean of its divisors is an integer number (304157766).

Almost surely, 2^608315531 is an apocalyptic number.

608315531 is a deficient number, since it is larger than the sum of its proper divisors (1).

608315531 is an equidigital number, since it uses as much as digits as its factorization.

608315531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 608315531 is about 24664.0534178792. The cubic root of 608315531 is about 847.3112412493.

The spelling of 608315531 in words is "six hundred eight million, three hundred fifteen thousand, five hundred thirty-one".