725252747 has 2 divisors, whose sum is σ = 725252748. Its totient is φ = 725252746.

The previous prime is 725252699. The next prime is 725252771. The reversal of 725252747 is 747252527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725252747 - 2⁶ = 725252683 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (725252447) 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, 362626373 + 362626374.

It is an arithmetic number, because the mean of its divisors is an integer number (362626374).

Almost surely, 2^725252747 is an apocalyptic number.

725252747 is a deficient number, since it is larger than the sum of its proper divisors (1).

725252747 is an equidigital number, since it uses as much as digits as its factorization.

725252747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 274400, while the sum is 41.

The square root of 725252747 is about 26930.5170206589. The cubic root of 725252747 is about 898.4552707726.

The spelling of 725252747 in words is "seven hundred twenty-five million, two hundred fifty-two thousand, seven hundred forty-seven".