965222613 has 12 divisors (see below), whose sum is σ = 1394567148. Its totient is φ = 643317120.

The previous prime is 965222611. The next prime is 965222627. The reversal of 965222613 is 316222569.

It can be written as a sum of positive squares in 2 ways, for example, as 422425809 + 542796804 = 20553^2 + 23298^2 .

It is not a de Polignac number, because 965222613 - 2¹ = 965222611 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (965222611) 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, 31131 + ... + 53847.

It is an arithmetic number, because the mean of its divisors is an integer number (116213929).

Almost surely, 2^965222613 is an apocalyptic number.

It is an amenable number.

965222613 is a deficient number, since it is larger than the sum of its proper divisors (429344535).

965222613 is a wasteful number, since it uses less digits than its factorization.

965222613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27444 (or 27441 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 965222613 is about 31068.0320104122. The cubic root of 965222613 is about 988.2704942825.

The spelling of 965222613 in words is "nine hundred sixty-five million, two hundred twenty-two thousand, six hundred thirteen".