725306351 has 16 divisors (see below), whose sum is σ = 913241088. Its totient is φ = 559572000.

The previous prime is 725306341. The next prime is 725306363. The reversal of 725306351 is 153603527.

It is a cyclic number.

It is not a de Polignac number, because 725306351 - 2¹⁸ = 725044207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725306341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38855 + ... + 54408.

It is an arithmetic number, because the mean of its divisors is an integer number (57077568).

Almost surely, 2^725306351 is an apocalyptic number.

725306351 is a deficient number, since it is larger than the sum of its proper divisors (187934737).

725306351 is a wasteful number, since it uses less digits than its factorization.

725306351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93382.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 725306351 is about 26931.5122300995. The cubic root of 725306351 is about 898.4774054054.

Adding to 725306351 its reverse (153603527), we get a palindrome (878909878).

The spelling of 725306351 in words is "seven hundred twenty-five million, three hundred six thousand, three hundred fifty-one".