42512963 has 4 divisors (see below), whose sum is σ = 43662000. Its totient is φ = 41363928.

The previous prime is 42512933. The next prime is 42512983. The reversal of 42512963 is 36921524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42512963 - 2⁸ = 42512707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42512933) 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, 574463 + ... + 574536.

It is an arithmetic number, because the mean of its divisors is an integer number (10915500).

Almost surely, 2^42512963 is an apocalyptic number.

42512963 is a deficient number, since it is larger than the sum of its proper divisors (1149037).

42512963 is a wasteful number, since it uses less digits than its factorization.

42512963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149036.

The product of its digits is 12960, while the sum is 32.

The square root of 42512963 is about 6520.1965461173. The cubic root of 42512963 is about 349.0120793952.

The spelling of 42512963 in words is "forty-two million, five hundred twelve thousand, nine hundred sixty-three".