945604631 has 4 divisors (see below), whose sum is σ = 947163072. Its totient is φ = 944046192.

The previous prime is 945604603. The next prime is 945604633. The reversal of 945604631 is 136406549.

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 945604631 - 2²⁶ = 878495767 is a prime.

It is a super-2 number, since 2×945604631² = 1788336236337292322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945604633) 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, 778310 + ... + 779523.

It is an arithmetic number, because the mean of its divisors is an integer number (236790768).

Almost surely, 2^945604631 is an apocalyptic number.

945604631 is a deficient number, since it is larger than the sum of its proper divisors (1558441).

945604631 is a wasteful number, since it uses less digits than its factorization.

945604631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558440.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 945604631 is about 30750.6850492798. The cubic root of 945604631 is about 981.5291381819.

The spelling of 945604631 in words is "nine hundred forty-five million, six hundred four thousand, six hundred thirty-one".