253933279 has 2 divisors, whose sum is σ = 253933280. Its totient is φ = 253933278.

The previous prime is 253933249. The next prime is 253933321. The reversal of 253933279 is 972339352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253933279 - 2¹¹ = 253931231 is a prime.

It is a super-2 number, since 2×253933279² = 128964220367383682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253933249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126966639 + 126966640.

It is an arithmetic number, because the mean of its divisors is an integer number (126966640).

Almost surely, 2^253933279 is an apocalyptic number.

253933279 is a deficient number, since it is larger than the sum of its proper divisors (1).

253933279 is an equidigital number, since it uses as much as digits as its factorization.

253933279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 43.

The square root of 253933279 is about 15935.2840890898. The cubic root of 253933279 is about 633.2470960759.

The spelling of 253933279 in words is "two hundred fifty-three million, nine hundred thirty-three thousand, two hundred seventy-nine".