725452219 has 2 divisors, whose sum is σ = 725452220. Its totient is φ = 725452218.

The previous prime is 725452157. The next prime is 725452241. The reversal of 725452219 is 912254527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725452219 - 2²⁷ = 591234491 is a prime.

It is a super-2 number, since 2×725452219² = 1052561844104047922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (725452289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362726109 + 362726110.

It is an arithmetic number, because the mean of its divisors is an integer number (362726110).

Almost surely, 2^725452219 is an apocalyptic number.

725452219 is a deficient number, since it is larger than the sum of its proper divisors (1).

725452219 is an equidigital number, since it uses as much as digits as its factorization.

725452219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 725452219 is about 26934.2202226090. The cubic root of 725452219 is about 898.5376329755.

The spelling of 725452219 in words is "seven hundred twenty-five million, four hundred fifty-two thousand, two hundred nineteen".