252453287 has 2 divisors, whose sum is σ = 252453288. Its totient is φ = 252453286.

The previous prime is 252453241. The next prime is 252453307. The reversal of 252453287 is 782354252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252453287 - 2¹² = 252449191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252453287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252452287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126226643 + 126226644.

It is an arithmetic number, because the mean of its divisors is an integer number (126226644).

Almost surely, 2^252453287 is an apocalyptic number.

252453287 is a deficient number, since it is larger than the sum of its proper divisors (1).

252453287 is an equidigital number, since it uses as much as digits as its factorization.

252453287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 38.

The square root of 252453287 is about 15888.7786503557. The cubic root of 252453287 is about 632.0144529822.

The spelling of 252453287 in words is "two hundred fifty-two million, four hundred fifty-three thousand, two hundred eighty-seven".