722608253 has 2 divisors, whose sum is σ = 722608254. Its totient is φ = 722608252.

The previous prime is 722608207. The next prime is 722608277. The reversal of 722608253 is 352806227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 669929689 + 52678564 = 25883^2 + 7258^2 .

It is a cyclic number.

It is not a de Polignac number, because 722608253 - 2²⁰ = 721559677 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 (722608553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361304126 + 361304127.

It is an arithmetic number, because the mean of its divisors is an integer number (361304127).

Almost surely, 2^722608253 is an apocalyptic number.

It is an amenable number.

722608253 is a deficient number, since it is larger than the sum of its proper divisors (1).

722608253 is an equidigital number, since it uses as much as digits as its factorization.

722608253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 722608253 is about 26881.3737186179. The cubic root of 722608253 is about 897.3619262925.

The spelling of 722608253 in words is "seven hundred twenty-two million, six hundred eight thousand, two hundred fifty-three".