253005287 has 2 divisors, whose sum is σ = 253005288. Its totient is φ = 253005286.

The previous prime is 253005283. The next prime is 253005289. The reversal of 253005287 is 782500352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253005287 - 2² = 253005283 is a prime.

Together with 253005289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253005283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126502643 + 126502644.

It is an arithmetic number, because the mean of its divisors is an integer number (126502644).

Almost surely, 2^253005287 is an apocalyptic number.

253005287 is a deficient number, since it is larger than the sum of its proper divisors (1).

253005287 is an equidigital number, since it uses as much as digits as its factorization.

253005287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 253005287 is about 15906.1399151397. The cubic root of 253005287 is about 632.4747599379.

The spelling of 253005287 in words is "two hundred fifty-three million, five thousand, two hundred eighty-seven".