715821265 has 8 divisors (see below), whose sum is σ = 860152320. Its totient is φ = 571879152.

The previous prime is 715821199. The next prime is 715821269. The reversal of 715821265 is 562128517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 715821265 - 2¹³ = 715813073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (715821269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93169 + ... + 100558.

It is an arithmetic number, because the mean of its divisors is an integer number (107519040).

Almost surely, 2^715821265 is an apocalyptic number.

It is an amenable number.

715821265 is a deficient number, since it is larger than the sum of its proper divisors (144331055).

715821265 is a wasteful number, since it uses less digits than its factorization.

715821265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194471.

The product of its digits is 33600, while the sum is 37.

The square root of 715821265 is about 26754.8362917810. The cubic root of 715821265 is about 894.5436392552.

The spelling of 715821265 in words is "seven hundred fifteen million, eight hundred twenty-one thousand, two hundred sixty-five".