725324503 has 2 divisors, whose sum is σ = 725324504. Its totient is φ = 725324502.

The previous prime is 725324497. The next prime is 725324591. The reversal of 725324503 is 305423527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725324503 - 2²⁵ = 691770071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725324203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362662251 + 362662252.

It is an arithmetic number, because the mean of its divisors is an integer number (362662252).

Almost surely, 2^725324503 is an apocalyptic number.

725324503 is a deficient number, since it is larger than the sum of its proper divisors (1).

725324503 is an equidigital number, since it uses as much as digits as its factorization.

725324503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 725324503 is about 26931.8492309756. The cubic root of 725324503 is about 898.4849006410.

The spelling of 725324503 in words is "seven hundred twenty-five million, three hundred twenty-four thousand, five hundred three".