253522121207 has 2 divisors, whose sum is σ = 253522121208. Its totient is φ = 253522121206.

The previous prime is 253522121189. The next prime is 253522121221. The reversal of 253522121207 is 702121225352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253522121207 - 2³⁶ = 184802644471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253522121227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126761060603 + 126761060604.

It is an arithmetic number, because the mean of its divisors is an integer number (126761060604).

Almost surely, 2^253522121207 is an apocalyptic number.

253522121207 is a deficient number, since it is larger than the sum of its proper divisors (1).

253522121207 is an equidigital number, since it uses as much as digits as its factorization.

253522121207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 253522121207 its reverse (702121225352), we get a palindrome (955643346559).

The spelling of 253522121207 in words is "two hundred fifty-three billion, five hundred twenty-two million, one hundred twenty-one thousand, two hundred seven".