1252546423 has 4 divisors (see below), whose sum is σ = 1252649320. Its totient is φ = 1252443528.

The previous prime is 1252546409. The next prime is 1252546439. The reversal of 1252546423 is 3246452521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1252546423 - 2⁵ = 1252546391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252546523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30288 + ... + 58501.

It is an arithmetic number, because the mean of its divisors is an integer number (313162330).

Almost surely, 2^1252546423 is an apocalyptic number.

1252546423 is a deficient number, since it is larger than the sum of its proper divisors (102897).

1252546423 is an equidigital number, since it uses as much as digits as its factorization.

1252546423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102896.

The product of its digits is 57600, while the sum is 34.

The square root of 1252546423 is about 35391.3325971204. The cubic root of 1252546423 is about 1077.9483291414.

Adding to 1252546423 its reverse (3246452521), we get a palindrome (4498998944).

The spelling of 1252546423 in words is "one billion, two hundred fifty-two million, five hundred forty-six thousand, four hundred twenty-three".