725548907 has 2 divisors, whose sum is σ = 725548908. Its totient is φ = 725548906.

The previous prime is 725548903. The next prime is 725548913. The reversal of 725548907 is 709845527.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725548907 - 2² = 725548903 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (725548903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362774453 + 362774454.

It is an arithmetic number, because the mean of its divisors is an integer number (362774454).

Almost surely, 2^725548907 is an apocalyptic number.

725548907 is a deficient number, since it is larger than the sum of its proper divisors (1).

725548907 is an equidigital number, since it uses as much as digits as its factorization.

725548907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 725548907 is about 26936.0150541983. The cubic root of 725548907 is about 898.5775501219.

The spelling of 725548907 in words is "seven hundred twenty-five million, five hundred forty-eight thousand, nine hundred seven".