1252623 has 4 divisors (see below), whose sum is σ = 1670168. Its totient is φ = 835080.

The previous prime is 1252609. The next prime is 1252631. The reversal of 1252623 is 3262521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1252623 - 2¹⁴ = 1236239 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208768 + ... + 208773.

It is an arithmetic number, because the mean of its divisors is an integer number (417542).

2^1252623 is an apocalyptic number.

1252623 is a deficient number, since it is larger than the sum of its proper divisors (417545).

1252623 is an equidigital number, since it uses as much as digits as its factorization.

1252623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417544.

The product of its digits is 720, while the sum is 21.

The square root of 1252623 is about 1119.2064152783. The cubic root of 1252623 is about 107.7970296223.

The spelling of 1252623 in words is "one million, two hundred fifty-two thousand, six hundred twenty-three".