725252707 has 4 divisors (see below), whose sum is σ = 725341576. Its totient is φ = 725163840.

The previous prime is 725252699. The next prime is 725252747. The reversal of 725252707 is 707252527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707252527 = 9091 ⋅77797.

It is a cyclic number.

It is not a de Polignac number, because 725252707 - 2³ = 725252699 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725252747) 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 in 3 ways as a sum of consecutive naturals, for example, 30798 + ... + 48979.

It is an arithmetic number, because the mean of its divisors is an integer number (181335394).

Almost surely, 2^725252707 is an apocalyptic number.

725252707 is a deficient number, since it is larger than the sum of its proper divisors (88869).

725252707 is an equidigital number, since it uses as much as digits as its factorization.

725252707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88868.

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 725252707 is about 26930.5162780070. The cubic root of 725252707 is about 898.4552542550.

The spelling of 725252707 in words is "seven hundred twenty-five million, two hundred fifty-two thousand, seven hundred seven".