253668011 has 2 divisors, whose sum is σ = 253668012. Its totient is φ = 253668010.

The previous prime is 253667987. The next prime is 253668043. The reversal of 253668011 is 110866352.

It is a happy number.

It is an a-pointer prime, because the next prime (253668043) can be obtained adding 253668011 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253668011 - 2¹⁴ = 253651627 is a prime.

It is a super-2 number, since 2×253668011² = 128694919609392242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253688011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126834005 + 126834006.

It is an arithmetic number, because the mean of its divisors is an integer number (126834006).

Almost surely, 2^253668011 is an apocalyptic number.

253668011 is a deficient number, since it is larger than the sum of its proper divisors (1).

253668011 is an equidigital number, since it uses as much as digits as its factorization.

253668011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 253668011 is about 15926.9586236670. The cubic root of 253668011 is about 633.0265148822.

The spelling of 253668011 in words is "two hundred fifty-three million, six hundred sixty-eight thousand, eleven".