725252650 has 24 divisors (see below), whose sum is σ = 1351213740. Its totient is φ = 289618560.

The previous prime is 725252641. The next prime is 725252653. The reversal of 725252650 is 56252527.

It can be written as a sum of positive squares in 6 ways, for example, as 275261281 + 449991369 = 16591^2 + 21213^2 .

It is not an unprimeable number, because it can be changed into a prime (725252653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19096 + ... + 42604.

Almost surely, 2^725252650 is an apocalyptic number.

725252650 is a deficient number, since it is larger than the sum of its proper divisors (625961090).

725252650 is a wasteful number, since it uses less digits than its factorization.

725252650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24138 (or 24133 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 725252650 is about 26930.5152197280. The cubic root of 725252650 is about 898.4552307175.

The spelling of 725252650 in words is "seven hundred twenty-five million, two hundred fifty-two thousand, six hundred fifty".