1252663 has 2 divisors, whose sum is σ = 1252664. Its totient is φ = 1252662.

The previous prime is 1252661. The next prime is 1252681. The reversal of 1252663 is 3662521.

It is a weak prime.

It is an emirp because it is prime and its reverse (3662521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1252663 - 2¹ = 1252661 is a prime.

Together with 1252661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626331 + 626332.

It is an arithmetic number, because the mean of its divisors is an integer number (626332).

2^1252663 is an apocalyptic number.

1252663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252663 is an equidigital number, since it uses as much as digits as its factorization.

1252663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 1252663 is about 1119.2242849402. The cubic root of 1252663 is about 107.7981770373.

The spelling of 1252663 in words is "one million, two hundred fifty-two thousand, six hundred sixty-three".