725425001 has 16 divisors (see below), whose sum is σ = 849329280. Its totient is φ = 606744960.

The previous prime is 725424979. The next prime is 725425009. The reversal of 725425001 is 100524527.

It is a cyclic number.

It is not a de Polignac number, because 725425001 - 2¹⁸ = 725162857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725425009) 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 15 ways as a sum of consecutive naturals, for example, 50171 + ... + 62991.

It is an arithmetic number, because the mean of its divisors is an integer number (53083080).

Almost surely, 2^725425001 is an apocalyptic number.

It is an amenable number.

725425001 is a deficient number, since it is larger than the sum of its proper divisors (123904279).

725425001 is a wasteful number, since it uses less digits than its factorization.

725425001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13024.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 725425001 is about 26933.7149498542. The cubic root of 725425001 is about 898.5263955237.

Adding to 725425001 its reverse (100524527), we get a palindrome (825949528).

The spelling of 725425001 in words is "seven hundred twenty-five million, four hundred twenty-five thousand, one".