42959263 has 4 divisors (see below), whose sum is σ = 43402240. Its totient is φ = 42516288.

The previous prime is 42959251. The next prime is 42959281. The reversal of 42959263 is 36295924.

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

It is a cyclic number.

It is not a de Polignac number, because 42959263 - 2²¹ = 40862111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42959243) 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, 221343 + ... + 221536.

It is an arithmetic number, because the mean of its divisors is an integer number (10850560).

Almost surely, 2^42959263 is an apocalyptic number.

42959263 is a deficient number, since it is larger than the sum of its proper divisors (442977).

42959263 is an equidigital number, since it uses as much as digits as its factorization.

42959263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442976.

The product of its digits is 116640, while the sum is 40.

The square root of 42959263 is about 6554.3316211495. The cubic root of 42959263 is about 350.2291370313.

The spelling of 42959263 in words is "forty-two million, nine hundred fifty-nine thousand, two hundred sixty-three".