597470639 has 4 divisors (see below), whose sum is σ = 607597320. Its totient is φ = 587343960.

The previous prime is 597470597. The next prime is 597470669. The reversal of 597470639 is 936074795.

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 597470639 - 2¹⁶ = 597405103 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 (597470669) 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, 5063252 + ... + 5063369.

It is an arithmetic number, because the mean of its divisors is an integer number (151899330).

Almost surely, 2^597470639 is an apocalyptic number.

597470639 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

597470639 is a deficient number, since it is larger than the sum of its proper divisors (10126681).

597470639 is a wasteful number, since it uses less digits than its factorization.

597470639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126680.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The square root of 597470639 is about 24443.2125343622. The cubic root of 597470639 is about 842.2458039079.

The spelling of 597470639 in words is "five hundred ninety-seven million, four hundred seventy thousand, six hundred thirty-nine".