1252506623 has 4 divisors (see below), whose sum is σ = 1281634728. Its totient is φ = 1223378520.

The previous prime is 1252506617. The next prime is 1252506649. The reversal of 1252506623 is 3266052521.

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

It is a cyclic number.

It is not a de Polignac number, because 1252506623 - 2⁶ = 1252506559 is a prime.

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 1252506623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252106623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14563988 + ... + 14564073.

It is an arithmetic number, because the mean of its divisors is an integer number (320408682).

Almost surely, 2^1252506623 is an apocalyptic number.

1252506623 is a deficient number, since it is larger than the sum of its proper divisors (29128105).

1252506623 is an equidigital number, since it uses as much as digits as its factorization.

1252506623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29128104.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1252506623 is about 35390.7703080902. The cubic root of 1252506623 is about 1077.9369116543.

The spelling of 1252506623 in words is "one billion, two hundred fifty-two million, five hundred six thousand, six hundred twenty-three".