253256033 has 2 divisors, whose sum is σ = 253256034. Its totient is φ = 253256032.

The previous prime is 253256023. The next prime is 253256041. The reversal of 253256033 is 330652352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238640704 + 14615329 = 15448^2 + 3823^2 .

It is a cyclic number.

It is not a de Polignac number, because 253256033 - 2⁶ = 253255969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253255987 and 253256005.

It is not a weakly prime, because it can be changed into another prime (253256023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126628016 + 126628017.

It is an arithmetic number, because the mean of its divisors is an integer number (126628017).

Almost surely, 2^253256033 is an apocalyptic number.

It is an amenable number.

253256033 is a deficient number, since it is larger than the sum of its proper divisors (1).

253256033 is an equidigital number, since it uses as much as digits as its factorization.

253256033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 253256033 is about 15914.0200138117. The cubic root of 253256033 is about 632.6836332456.

The spelling of 253256033 in words is "two hundred fifty-three million, two hundred fifty-six thousand, thirty-three".