725298193 has 2 divisors, whose sum is σ = 725298194. Its totient is φ = 725298192.

The previous prime is 725298179. The next prime is 725298209. The reversal of 725298193 is 391892527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 698174929 + 27123264 = 26423^2 + 5208^2 .

It is a cyclic number.

It is not a de Polignac number, because 725298193 - 2²¹ = 723201041 is a prime.

It is not a weakly prime, because it can be changed into another prime (725298173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362649096 + 362649097.

It is an arithmetic number, because the mean of its divisors is an integer number (362649097).

Almost surely, 2^725298193 is an apocalyptic number.

It is an amenable number.

725298193 is a deficient number, since it is larger than the sum of its proper divisors (1).

725298193 is an equidigital number, since it uses as much as digits as its factorization.

725298193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 725298193 is about 26931.3607714129. The cubic root of 725298193 is about 898.4740368030.

The spelling of 725298193 in words is "seven hundred twenty-five million, two hundred ninety-eight thousand, one hundred ninety-three".