872612313 has 4 divisors (see below), whose sum is σ = 1163483088. Its totient is φ = 581741540.

The previous prime is 872612303. The next prime is 872612317. The reversal of 872612313 is 313216278.

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 872612313 - 2¹⁴ = 872595929 is a prime.

It is a super-2 number, since 2×872612313² = 1522904497598419938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (872612317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145435383 + ... + 145435388.

It is an arithmetic number, because the mean of its divisors is an integer number (290870772).

Almost surely, 2^872612313 is an apocalyptic number.

It is an amenable number.

872612313 is a deficient number, since it is larger than the sum of its proper divisors (290870775).

872612313 is a wasteful number, since it uses less digits than its factorization.

872612313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290870774.

The product of its digits is 12096, while the sum is 33.

The square root of 872612313 is about 29540.0120683794. The cubic root of 872612313 is about 955.5948024748.

The spelling of 872612313 in words is "eight hundred seventy-two million, six hundred twelve thousand, three hundred thirteen".