253208887 has 2 divisors, whose sum is σ = 253208888. Its totient is φ = 253208886.

The previous prime is 253208867. The next prime is 253208939. The reversal of 253208887 is 788802352.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253208887 is a prime.

It is a super-2 number, since 2×253208887² = 128229480911557538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253208807) 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, 126604443 + 126604444.

It is an arithmetic number, because the mean of its divisors is an integer number (126604444).

Almost surely, 2^253208887 is an apocalyptic number.

253208887 is a deficient number, since it is larger than the sum of its proper divisors (1).

253208887 is an equidigital number, since it uses as much as digits as its factorization.

253208887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 253208887 is about 15912.5386723803. The cubic root of 253208887 is about 632.6443708000.

The spelling of 253208887 in words is "two hundred fifty-three million, two hundred eight thousand, eight hundred eighty-seven".