725948947 has 2 divisors, whose sum is σ = 725948948. Its totient is φ = 725948946.

The previous prime is 725948863. The next prime is 725948957. The reversal of 725948947 is 749849527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725948947 - 2¹⁹ = 725424659 is a prime.

It is not a weakly prime, because it can be changed into another prime (725948957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362974473 + 362974474.

It is an arithmetic number, because the mean of its divisors is an integer number (362974474).

Almost surely, 2^725948947 is an apocalyptic number.

725948947 is a deficient number, since it is larger than the sum of its proper divisors (1).

725948947 is an equidigital number, since it uses as much as digits as its factorization.

725948947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 55.

The square root of 725948947 is about 26943.4397766878. The cubic root of 725948947 is about 898.7426669112.

The spelling of 725948947 in words is "seven hundred twenty-five million, nine hundred forty-eight thousand, nine hundred forty-seven".