42965013 has 24 divisors (see below), whose sum is σ = 71768928. Its totient is φ = 22661856.

The previous prime is 42965009. The next prime is 42965047. The reversal of 42965013 is 31056924.

It is not a de Polignac number, because 42965013 - 2² = 42965009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42965053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9331 + ... + 13152.

It is an arithmetic number, because the mean of its divisors is an integer number (2990372).

Almost surely, 2^42965013 is an apocalyptic number.

It is an amenable number.

42965013 is a deficient number, since it is larger than the sum of its proper divisors (28803915).

42965013 is a wasteful number, since it uses less digits than its factorization.

42965013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22513 (or 22506 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 42965013 is about 6554.7702476898. The cubic root of 42965013 is about 350.2447621263.

The spelling of 42965013 in words is "forty-two million, nine hundred sixty-five thousand, thirteen".