313198559 has 2 divisors, whose sum is σ = 313198560. Its totient is φ = 313198558.

The previous prime is 313198517. The next prime is 313198607. The reversal of 313198559 is 955891313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313198559 - 2¹² = 313194463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313198759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156599279 + 156599280.

It is an arithmetic number, because the mean of its divisors is an integer number (156599280).

Almost surely, 2^313198559 is an apocalyptic number.

313198559 is a deficient number, since it is larger than the sum of its proper divisors (1).

313198559 is an equidigital number, since it uses as much as digits as its factorization.

313198559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 44.

The square root of 313198559 is about 17697.4167323935. The cubic root of 313198559 is about 679.1096760707.

The spelling of 313198559 in words is "three hundred thirteen million, one hundred ninety-eight thousand, five hundred fifty-nine".