715454057 has 4 divisors (see below), whose sum is σ = 715577940. Its totient is φ = 715330176.

The previous prime is 715454029. The next prime is 715454083. The reversal of 715454057 is 750454517.

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

It can be written as a sum of positive squares in 2 ways, for example, as 656179456 + 59274601 = 25616^2 + 7699^2 .

It is a cyclic number.

It is not a de Polignac number, because 715454057 - 2²⁸ = 447018601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 715454057.

It is not an unprimeable number, because it can be changed into a prime (715454087) 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, 52832 + ... + 64977.

It is an arithmetic number, because the mean of its divisors is an integer number (178894485).

Almost surely, 2^715454057 is an apocalyptic number.

It is an amenable number.

715454057 is a deficient number, since it is larger than the sum of its proper divisors (123883).

715454057 is a wasteful number, since it uses less digits than its factorization.

715454057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123882.

The product of its (nonzero) digits is 98000, while the sum is 38.

The square root of 715454057 is about 26747.9729512350. The cubic root of 715454057 is about 894.3906495904.

The spelling of 715454057 in words is "seven hundred fifteen million, four hundred fifty-four thousand, fifty-seven".