725271311 has 2 divisors, whose sum is σ = 725271312. Its totient is φ = 725271310.

The previous prime is 725271301. The next prime is 725271317. The reversal of 725271311 is 113172527.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725271311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725271317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362635655 + 362635656.

It is an arithmetic number, because the mean of its divisors is an integer number (362635656).

Almost surely, 2^725271311 is an apocalyptic number.

725271311 is a deficient number, since it is larger than the sum of its proper divisors (1).

725271311 is an equidigital number, since it uses as much as digits as its factorization.

725271311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940, while the sum is 29.

The square root of 725271311 is about 26930.8616832065. The cubic root of 725271311 is about 898.4629365054.

The spelling of 725271311 in words is "seven hundred twenty-five million, two hundred seventy-one thousand, three hundred eleven".