313562089 has 2 divisors, whose sum is σ = 313562090. Its totient is φ = 313562088.

The previous prime is 313562071. The next prime is 313562099. The reversal of 313562089 is 980265313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187224489 + 126337600 = 13683^2 + 11240^2 .

It is a cyclic number.

It is not a de Polignac number, because 313562089 - 2¹¹ = 313560041 is a prime.

It is equal to p_16946542 and since 313562089 and 16946542 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (313562069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156781044 + 156781045.

It is an arithmetic number, because the mean of its divisors is an integer number (156781045).

Almost surely, 2^313562089 is an apocalyptic number.

It is an amenable number.

313562089 is a deficient number, since it is larger than the sum of its proper divisors (1).

313562089 is an equidigital number, since it uses as much as digits as its factorization.

313562089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 313562089 is about 17707.6844618375. The cubic root of 313562089 is about 679.3723223253.

The spelling of 313562089 in words is "three hundred thirteen million, five hundred sixty-two thousand, eighty-nine".