722626253 has 2 divisors, whose sum is σ = 722626254. Its totient is φ = 722626252.

The previous prime is 722626249. The next prime is 722626279. The reversal of 722626253 is 352626227.

722626253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421152484 + 301473769 = 20522^2 + 17363^2 .

It is a cyclic number.

It is not a de Polignac number, because 722626253 - 2² = 722626249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722626453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361313126 + 361313127.

It is an arithmetic number, because the mean of its divisors is an integer number (361313127).

Almost surely, 2^722626253 is an apocalyptic number.

It is an amenable number.

722626253 is a deficient number, since it is larger than the sum of its proper divisors (1).

722626253 is an equidigital number, since it uses as much as digits as its factorization.

722626253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 35.

The square root of 722626253 is about 26881.7085208511. The cubic root of 722626253 is about 897.3693772548.

The spelling of 722626253 in words is "seven hundred twenty-two million, six hundred twenty-six thousand, two hundred fifty-three".