65274813 has 12 divisors (see below), whose sum is σ = 94479840. Its totient is φ = 43427016.

The previous prime is 65274763. The next prime is 65274821. The reversal of 65274813 is 31847256.

It is a de Polignac number, because none of the positive numbers 2^k-65274813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65274863) 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, 2683 + ... + 11736.

It is an arithmetic number, because the mean of its divisors is an integer number (7873320).

Almost surely, 2^65274813 is an apocalyptic number.

It is an amenable number.

65274813 is a deficient number, since it is larger than the sum of its proper divisors (29205027).

65274813 is a wasteful number, since it uses less digits than its factorization.

65274813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14928 (or 14925 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 65274813 is about 8079.2829508565. The cubic root of 65274813 is about 402.6384190154.

The spelling of 65274813 in words is "sixty-five million, two hundred seventy-four thousand, eight hundred thirteen".