312963653 has 2 divisors, whose sum is σ = 312963654. Its totient is φ = 312963652.

The previous prime is 312963641. The next prime is 312963667. The reversal of 312963653 is 356369213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178008964 + 134954689 = 13342^2 + 11617^2 .

It is a cyclic number.

It is not a de Polignac number, because 312963653 - 2⁸ = 312963397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312963253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156481826 + 156481827.

It is an arithmetic number, because the mean of its divisors is an integer number (156481827).

Almost surely, 2^312963653 is an apocalyptic number.

It is an amenable number.

312963653 is a deficient number, since it is larger than the sum of its proper divisors (1).

312963653 is an equidigital number, since it uses as much as digits as its factorization.

312963653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 38.

The square root of 312963653 is about 17690.7787561769. The cubic root of 312963653 is about 678.9398510693.

The spelling of 312963653 in words is "three hundred twelve million, nine hundred sixty-three thousand, six hundred fifty-three".