725463733 has 2 divisors, whose sum is σ = 725463734. Its totient is φ = 725463732.

The previous prime is 725463727. The next prime is 725463811. The reversal of 725463733 is 337364527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419143729 + 306320004 = 20473^2 + 17502^2 .

It is an emirp because it is prime and its reverse (337364527) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725463733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725463533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362731866 + 362731867.

It is an arithmetic number, because the mean of its divisors is an integer number (362731867).

Almost surely, 2^725463733 is an apocalyptic number.

It is an amenable number.

725463733 is a deficient number, since it is larger than the sum of its proper divisors (1).

725463733 is an equidigital number, since it uses as much as digits as its factorization.

725463733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 40.

The square root of 725463733 is about 26934.4339647226. The cubic root of 725463733 is about 898.5423866576.

The spelling of 725463733 in words is "seven hundred twenty-five million, four hundred sixty-three thousand, seven hundred thirty-three".