715312241 has 12 divisors (see below), whose sum is σ = 840681828. Its totient is φ = 606799872.

The previous prime is 715312219. The next prime is 715312309. The reversal of 715312241 is 142213517.

It can be written as a sum of positive squares in 2 ways, for example, as 153859216 + 561453025 = 12404^2 + 23695^2 .

It is not a de Polignac number, because 715312241 - 2¹⁰ = 715311217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 715312241.

It is not an unprimeable number, because it can be changed into a prime (715312541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70496 + ... + 80001.

It is an arithmetic number, because the mean of its divisors is an integer number (70056819).

Almost surely, 2^715312241 is an apocalyptic number.

It is an amenable number.

715312241 is a deficient number, since it is larger than the sum of its proper divisors (125369587).

715312241 is a wasteful number, since it uses less digits than its factorization.

715312241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150608 (or 150601 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 715312241 is about 26745.3218526156. The cubic root of 715312241 is about 894.3315508569.

Adding to 715312241 its reverse (142213517), we get a palindrome (857525758).

The spelling of 715312241 in words is "seven hundred fifteen million, three hundred twelve thousand, two hundred forty-one".