725373547 has 2 divisors, whose sum is σ = 725373548. Its totient is φ = 725373546.

The previous prime is 725373541. The next prime is 725373569. The reversal of 725373547 is 745373527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725373547 - 2¹¹ = 725371499 is a prime.

It is a super-2 number, since 2×725373547² = 1052333565374722418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (725373541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362686773 + 362686774.

It is an arithmetic number, because the mean of its divisors is an integer number (362686774).

Almost surely, 2^725373547 is an apocalyptic number.

725373547 is a deficient number, since it is larger than the sum of its proper divisors (1).

725373547 is an equidigital number, since it uses as much as digits as its factorization.

725373547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617400, while the sum is 43.

The square root of 725373547 is about 26932.7597360538. The cubic root of 725373547 is about 898.5051510255.

The spelling of 725373547 in words is "seven hundred twenty-five million, three hundred seventy-three thousand, five hundred forty-seven".