726314231 has 2 divisors, whose sum is σ = 726314232. Its totient is φ = 726314230.

The previous prime is 726314219. The next prime is 726314233. The reversal of 726314231 is 132413627.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726314231 is a prime.

It is a super-2 number, since 2×726314231² = 1055064724306242722, which contains 22 as substring.

Together with 726314233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 726314194 and 726314203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726314233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363157115 + 363157116.

It is an arithmetic number, because the mean of its divisors is an integer number (363157116).

Almost surely, 2^726314231 is an apocalyptic number.

726314231 is a deficient number, since it is larger than the sum of its proper divisors (1).

726314231 is an equidigital number, since it uses as much as digits as its factorization.

726314231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 726314231 is about 26950.2176429060. The cubic root of 726314231 is about 898.8933851625.

Adding to 726314231 its reverse (132413627), we get a palindrome (858727858).

The spelling of 726314231 in words is "seven hundred twenty-six million, three hundred fourteen thousand, two hundred thirty-one".