725314717 has 2 divisors, whose sum is σ = 725314718. Its totient is φ = 725314716.

The previous prime is 725314609. The next prime is 725314727. The reversal of 725314717 is 717413527.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 628705476 + 96609241 = 25074^2 + 9829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725314717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725314727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362657358 + 362657359.

It is an arithmetic number, because the mean of its divisors is an integer number (362657359).

Almost surely, 2^725314717 is an apocalyptic number.

It is an amenable number.

725314717 is a deficient number, since it is larger than the sum of its proper divisors (1).

725314717 is an equidigital number, since it uses as much as digits as its factorization.

725314717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41160, while the sum is 37.

The square root of 725314717 is about 26931.6675495596. The cubic root of 725314717 is about 898.4808598690.

The spelling of 725314717 in words is "seven hundred twenty-five million, three hundred fourteen thousand, seven hundred seventeen".