715537 has 2 divisors, whose sum is σ = 715538. Its totient is φ = 715536.

The previous prime is 715523. The next prime is 715549. The reversal of 715537 is 735517.

715537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 698896 + 16641 = 836^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 715537 - 2¹⁹ = 191249 is a prime.

715537 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (715567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357768 + 357769.

It is an arithmetic number, because the mean of its divisors is an integer number (357769).

2⁷¹⁵⁵³⁷ is an apocalyptic number.

It is an amenable number.

715537 is a deficient number, since it is larger than the sum of its proper divisors (1).

715537 is an equidigital number, since it uses as much as digits as its factorization.

715537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3675, while the sum is 28.

The square root of 715537 is about 845.8942014224. The cubic root of 715537 is about 89.4425210662.

The spelling of 715537 in words is "seven hundred fifteen thousand, five hundred thirty-seven".