725033717 has 2 divisors, whose sum is σ = 725033718. Its totient is φ = 725033716.

The previous prime is 725033689. The next prime is 725033741. The reversal of 725033717 is 717330527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 571496836 + 153536881 = 23906^2 + 12391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725033717 is a prime.

It is a Chen prime.

It is equal to p_37481129 and since 725033717 and 37481129 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725033767) 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 as a sum of consecutive naturals, namely, 362516858 + 362516859.

It is an arithmetic number, because the mean of its divisors is an integer number (362516859).

Almost surely, 2^725033717 is an apocalyptic number.

It is an amenable number.

725033717 is a deficient number, since it is larger than the sum of its proper divisors (1).

725033717 is an equidigital number, since it uses as much as digits as its factorization.

725033717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30870, while the sum is 35.

The square root of 725033717 is about 26926.4501373649. The cubic root of 725033717 is about 898.3648156531.

The spelling of 725033717 in words is "seven hundred twenty-five million, thirty-three thousand, seven hundred seventeen".