253620667 has 2 divisors, whose sum is σ = 253620668. Its totient is φ = 253620666.

The previous prime is 253620659. The next prime is 253620673. The reversal of 253620667 is 766026352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253620667 - 2³ = 253620659 is a prime.

It is not a weakly prime, because it can be changed into another prime (253620617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126810333 + 126810334.

It is an arithmetic number, because the mean of its divisors is an integer number (126810334).

Almost surely, 2^253620667 is an apocalyptic number.

253620667 is a deficient number, since it is larger than the sum of its proper divisors (1).

253620667 is an equidigital number, since it uses as much as digits as its factorization.

253620667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 253620667 is about 15925.4722692924. The cubic root of 253620667 is about 632.9871302394.

The spelling of 253620667 in words is "two hundred fifty-three million, six hundred twenty thousand, six hundred sixty-seven".