725202163 has 4 divisors (see below), whose sum is σ = 828802480. Its totient is φ = 621601848.

The previous prime is 725202157. The next prime is 725202173. The reversal of 725202163 is 361202527.

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

It is not a de Polignac number, because 725202163 - 2²⁹ = 188331251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725202143) 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, 51800148 + ... + 51800161.

It is an arithmetic number, because the mean of its divisors is an integer number (207200620).

Almost surely, 2^725202163 is an apocalyptic number.

725202163 is a deficient number, since it is larger than the sum of its proper divisors (103600317).

725202163 is a wasteful number, since it uses less digits than its factorization.

725202163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103600316.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 725202163 is about 26929.5778466726. The cubic root of 725202163 is about 898.4343821843.

The spelling of 725202163 in words is "seven hundred twenty-five million, two hundred two thousand, one hundred sixty-three".