715649365 has 4 divisors (see below), whose sum is σ = 858779244. Its totient is φ = 572519488.

The previous prime is 715649359. The next prime is 715649369. The reversal of 715649365 is 563946517.

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 513611569 + 202037796 = 22663^2 + 14214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-715649365 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 (715649369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71564932 + ... + 71564941.

It is an arithmetic number, because the mean of its divisors is an integer number (214694811).

Almost surely, 2^715649365 is an apocalyptic number.

It is an amenable number.

715649365 is a deficient number, since it is larger than the sum of its proper divisors (143129879).

715649365 is a wasteful number, since it uses less digits than its factorization.

715649365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143129878.

The product of its digits is 680400, while the sum is 46.

The square root of 715649365 is about 26751.6235955876. The cubic root of 715649365 is about 894.4720271690.

The spelling of 715649365 in words is "seven hundred fifteen million, six hundred forty-nine thousand, three hundred sixty-five".