361551313 has 4 divisors (see below), whose sum is σ = 363064320. Its totient is φ = 360038308.

The previous prime is 361551293. The next prime is 361551317. The reversal of 361551313 is 313155163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 361551313 - 2²⁵ = 327996881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361551317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756145 + ... + 756622.

It is an arithmetic number, because the mean of its divisors is an integer number (90766080).

Almost surely, 2^361551313 is an apocalyptic number.

It is an amenable number.

361551313 is a deficient number, since it is larger than the sum of its proper divisors (1513007).

361551313 is a wasteful number, since it uses less digits than its factorization.

361551313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513006.

The product of its digits is 4050, while the sum is 28.

The square root of 361551313 is about 19014.5027018852. The cubic root of 361551313 is about 712.3990216186.

The spelling of 361551313 in words is "three hundred sixty-one million, five hundred fifty-one thousand, three hundred thirteen".