253676281 has 2 divisors, whose sum is σ = 253676282. Its totient is φ = 253676280.

The previous prime is 253676279. The next prime is 253676321. The reversal of 253676281 is 182676352.

It is an a-pointer prime, because the next prime (253676321) can be obtained adding 253676281 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142563600 + 111112681 = 11940^2 + 10541^2 .

It is a cyclic number.

It is not a de Polignac number, because 253676281 - 2¹ = 253676279 is a prime.

It is a super-2 number, since 2×253676281² = 128703311083981922, which contains 22 as substring.

Together with 253676279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (253676231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126838140 + 126838141.

It is an arithmetic number, because the mean of its divisors is an integer number (126838141).

Almost surely, 2^253676281 is an apocalyptic number.

It is an amenable number.

253676281 is a deficient number, since it is larger than the sum of its proper divisors (1).

253676281 is an equidigital number, since it uses as much as digits as its factorization.

253676281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 253676281 is about 15927.2182442509. The cubic root of 253676281 is about 633.0333940473.

The spelling of 253676281 in words is "two hundred fifty-three million, six hundred seventy-six thousand, two hundred eighty-one".