316605629 has 2 divisors, whose sum is σ = 316605630. Its totient is φ = 316605628.

The previous prime is 316605593. The next prime is 316605661. The reversal of 316605629 is 926506613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256960900 + 59644729 = 16030^2 + 7723^2 .

It is a cyclic number.

It is not a de Polignac number, because 316605629 - 2²⁴ = 299828413 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 316605592 and 316605601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316601629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158302814 + 158302815.

It is an arithmetic number, because the mean of its divisors is an integer number (158302815).

Almost surely, 2^316605629 is an apocalyptic number.

It is an amenable number.

316605629 is a deficient number, since it is larger than the sum of its proper divisors (1).

316605629 is an equidigital number, since it uses as much as digits as its factorization.

316605629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 316605629 is about 17793.4153270248. The cubic root of 316605629 is about 681.5633214191.

The spelling of 316605629 in words is "three hundred sixteen million, six hundred five thousand, six hundred twenty-nine".