725144419 has 2 divisors, whose sum is σ = 725144420. Its totient is φ = 725144418.

The previous prime is 725144377. The next prime is 725144423. The reversal of 725144419 is 914441527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725144419 - 2¹¹ = 725142371 is a prime.

It is a super-2 number, since 2×725144419² = 1051668856813695122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (725141419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362572209 + 362572210.

It is an arithmetic number, because the mean of its divisors is an integer number (362572210).

Almost surely, 2^725144419 is an apocalyptic number.

725144419 is a deficient number, since it is larger than the sum of its proper divisors (1).

725144419 is an equidigital number, since it uses as much as digits as its factorization.

725144419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 725144419 is about 26928.5056956378. The cubic root of 725144419 is about 898.4105356973.

The spelling of 725144419 in words is "seven hundred twenty-five million, one hundred forty-four thousand, four hundred nineteen".