172455226253 has 2 divisors, whose sum is σ = 172455226254. Its totient is φ = 172455226252.

The previous prime is 172455226247. The next prime is 172455226319. The reversal of 172455226253 is 352622554271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167721373444 + 4733852809 = 409538^2 + 68803^2 .

It is a cyclic number.

It is not a de Polignac number, because 172455226253 - 2⁸ = 172455225997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172455226243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86227613126 + 86227613127.

It is an arithmetic number, because the mean of its divisors is an integer number (86227613127).

Almost surely, 2^172455226253 is an apocalyptic number.

It is an amenable number.

172455226253 is a deficient number, since it is larger than the sum of its proper divisors (1).

172455226253 is an equidigital number, since it uses as much as digits as its factorization.

172455226253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 44.

The spelling of 172455226253 in words is "one hundred seventy-two billion, four hundred fifty-five million, two hundred twenty-six thousand, two hundred fifty-three".