725255245 has 64 divisors (see below), whose sum is σ = 1053658368. Its totient is φ = 476256000.

The previous prime is 725255221. The next prime is 725255249. The reversal of 725255245 is 542552527.

It is not a de Polignac number, because 725255245 - 2¹¹ = 725253197 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 (725255249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7180695 + ... + 7180795.

It is an arithmetic number, because the mean of its divisors is an integer number (16463412).

Almost surely, 2^725255245 is an apocalyptic number.

It is an amenable number.

725255245 is a deficient number, since it is larger than the sum of its proper divisors (328403123).

725255245 is a wasteful number, since it uses less digits than its factorization.

725255245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 213 counting only the distinct ones).

The product of its digits is 140000, while the sum is 37.

The square root of 725255245 is about 26930.5633992310. The cubic root of 725255245 is about 898.4563022928.

It can be divided in two parts, 725 and 255245, that added together give a triangular number (255970 = T₇₁₅).

The spelling of 725255245 in words is "seven hundred twenty-five million, two hundred fifty-five thousand, two hundred forty-five".