253335253 has 2 divisors, whose sum is σ = 253335254. Its totient is φ = 253335252.

The previous prime is 253335221. The next prime is 253335281. The reversal of 253335253 is 352533352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213101604 + 40233649 = 14598^2 + 6343^2 .

It is a cyclic number.

It is not a de Polignac number, because 253335253 - 2⁵ = 253335221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253335553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126667626 + 126667627.

It is an arithmetic number, because the mean of its divisors is an integer number (126667627).

Almost surely, 2^253335253 is an apocalyptic number.

It is an amenable number.

253335253 is a deficient number, since it is larger than the sum of its proper divisors (1).

253335253 is an equidigital number, since it uses as much as digits as its factorization.

253335253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 31.

The square root of 253335253 is about 15916.5088194616. The cubic root of 253335253 is about 632.7495954417.

The spelling of 253335253 in words is "two hundred fifty-three million, three hundred thirty-five thousand, two hundred fifty-three".