725604351 has 4 divisors (see below), whose sum is σ = 967472472. Its totient is φ = 483736232.

The previous prime is 725604349. The next prime is 725604371. The reversal of 725604351 is 153406527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 725604351 - 2¹ = 725604349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725604371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120934056 + ... + 120934061.

It is an arithmetic number, because the mean of its divisors is an integer number (241868118).

Almost surely, 2^725604351 is an apocalyptic number.

725604351 is a deficient number, since it is larger than the sum of its proper divisors (241868121).

725604351 is a wasteful number, since it uses less digits than its factorization.

725604351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241868120.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 725604351 is about 26937.0442142415. The cubic root of 725604351 is about 898.6004382940.

The spelling of 725604351 in words is "seven hundred twenty-five million, six hundred four thousand, three hundred fifty-one".