313666461 has 12 divisors (see below), whose sum is σ = 454088700. Its totient is φ = 208642560.

The previous prime is 313666399. The next prime is 313666469. The reversal of 313666461 is 164666313.

It can be written as a sum of positive squares in 2 ways, for example, as 198640836 + 115025625 = 14094^2 + 10725^2 .

It is not a de Polignac number, because 313666461 - 2¹⁰ = 313665437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313666469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34770 + ... + 42851.

It is an arithmetic number, because the mean of its divisors is an integer number (37840725).

Almost surely, 2^313666461 is an apocalyptic number.

It is an amenable number.

313666461 is a deficient number, since it is larger than the sum of its proper divisors (140422239).

313666461 is a wasteful number, since it uses less digits than its factorization.

313666461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78076 (or 78073 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 313666461 is about 17710.6312987426. The cubic root of 313666461 is about 679.4476923871.

The spelling of 313666461 in words is "three hundred thirteen million, six hundred sixty-six thousand, four hundred sixty-one".