316403629 has 2 divisors, whose sum is σ = 316403630. Its totient is φ = 316403628.

The previous prime is 316403623. The next prime is 316403641. The reversal of 316403629 is 926304613.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227949604 + 88454025 = 15098^2 + 9405^2 .

It is a cyclic number.

It is not a de Polignac number, because 316403629 - 2⁵ = 316403597 is a prime.

It is a super-2 number, since 2×316403629² = 200222512888739282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 316403594 and 316403603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316403623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158201814 + 158201815.

It is an arithmetic number, because the mean of its divisors is an integer number (158201815).

Almost surely, 2^316403629 is an apocalyptic number.

It is an amenable number.

316403629 is a deficient number, since it is larger than the sum of its proper divisors (1).

316403629 is an equidigital number, since it uses as much as digits as its factorization.

316403629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 316403629 is about 17787.7381642524. The cubic root of 316403629 is about 681.4183407570.

The spelling of 316403629 in words is "three hundred sixteen million, four hundred three thousand, six hundred twenty-nine".