715555 has 4 divisors (see below), whose sum is σ = 858672. Its totient is φ = 572440.

The previous prime is 715549. The next prime is 715567. The reversal of 715555 is 555517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555517 = 43 ⋅12919.

It is not a de Polignac number, because 715555 - 2⁵ = 715523 is a prime.

It is a Duffinian number.

715555 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71551 + ... + 71560.

It is an arithmetic number, because the mean of its divisors is an integer number (214668).

2⁷¹⁵⁵⁵⁵ is an apocalyptic number.

715555 is a deficient number, since it is larger than the sum of its proper divisors (143117).

715555 is a wasteful number, since it uses less digits than its factorization.

715555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143116.

The product of its digits is 4375, while the sum is 28.

The square root of 715555 is about 845.9048409839. The cubic root of 715555 is about 89.4432710633.

The spelling of 715555 in words is "seven hundred fifteen thousand, five hundred fifty-five".