725324311 has 2 divisors, whose sum is σ = 725324312. Its totient is φ = 725324310.

The previous prime is 725324291. The next prime is 725324323. The reversal of 725324311 is 113423527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725324311 - 2¹⁷ = 725193239 is a prime.

It is a super-2 number, since 2×725324311² = 1052190712255249442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 725324311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725324381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362662155 + 362662156.

It is an arithmetic number, because the mean of its divisors is an integer number (362662156).

Almost surely, 2^725324311 is an apocalyptic number.

725324311 is a deficient number, since it is larger than the sum of its proper divisors (1).

725324311 is an equidigital number, since it uses as much as digits as its factorization.

725324311 is an evil number, because the sum of its binary digits is even.

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

The square root of 725324311 is about 26931.8456664225. The cubic root of 725324311 is about 898.4848213619.

Adding to 725324311 its reverse (113423527), we get a palindrome (838747838).

The spelling of 725324311 in words is "seven hundred twenty-five million, three hundred twenty-four thousand, three hundred eleven".