253313563 has 2 divisors, whose sum is σ = 253313564. Its totient is φ = 253313562.

The previous prime is 253313561. The next prime is 253313603. The reversal of 253313563 is 365313352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253313563 - 2¹ = 253313561 is a prime.

It is a super-2 number, since 2×253313563² = 128335522399509938, which contains 22 as substring.

Together with 253313561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (253313561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126656781 + 126656782.

It is an arithmetic number, because the mean of its divisors is an integer number (126656782).

Almost surely, 2^253313563 is an apocalyptic number.

253313563 is a deficient number, since it is larger than the sum of its proper divisors (1).

253313563 is an equidigital number, since it uses as much as digits as its factorization.

253313563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 31.

The square root of 253313563 is about 15915.8274368630. The cubic root of 253313563 is about 632.7315367227.

The spelling of 253313563 in words is "two hundred fifty-three million, three hundred thirteen thousand, five hundred sixty-three".