253792069 has 2 divisors, whose sum is σ = 253792070. Its totient is φ = 253792068.

The previous prime is 253792067. The next prime is 253792073. The reversal of 253792069 is 960297352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210627169 + 43164900 = 14513^2 + 6570^2 .

It is a cyclic number.

It is not a de Polignac number, because 253792069 - 2¹ = 253792067 is a prime.

It is a super-2 number, since 2×253792069² = 128820828574601522, which contains 22 as substring.

Together with 253792067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253792067) 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, 126896034 + 126896035.

It is an arithmetic number, because the mean of its divisors is an integer number (126896035).

Almost surely, 2^253792069 is an apocalyptic number.

It is an amenable number.

253792069 is a deficient number, since it is larger than the sum of its proper divisors (1).

253792069 is an equidigital number, since it uses as much as digits as its factorization.

253792069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 253792069 is about 15930.8527392604. The cubic root of 253792069 is about 633.1296933166.

The spelling of 253792069 in words is "two hundred fifty-three million, seven hundred ninety-two thousand, sixty-nine".