725525841 has 4 divisors (see below), whose sum is σ = 967367792. Its totient is φ = 483683892.

The previous prime is 725525831. The next prime is 725525863. The reversal of 725525841 is 148525527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 725525841 - 2¹⁴ = 725509457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 725525841.

It is not an unprimeable number, because it can be changed into a prime (725525831) 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, 120920971 + ... + 120920976.

It is an arithmetic number, because the mean of its divisors is an integer number (241841948).

Almost surely, 2^725525841 is an apocalyptic number.

It is an amenable number.

725525841 is a deficient number, since it is larger than the sum of its proper divisors (241841951).

725525841 is a wasteful number, since it uses less digits than its factorization.

725525841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241841950.

The product of its digits is 112000, while the sum is 39.

The square root of 725525841 is about 26935.5868879815. The cubic root of 725525841 is about 898.5680277639.

The spelling of 725525841 in words is "seven hundred twenty-five million, five hundred twenty-five thousand, eight hundred forty-one".