1252506023 has 4 divisors (see below), whose sum is σ = 1252727520. Its totient is φ = 1252284528.

The previous prime is 1252505983. The next prime is 1252506061. The reversal of 1252506023 is 3206052521.

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 1252506023 - 2⁸ = 1252505767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252505983 and 1252506001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252509023) 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, 102038 + ... + 113651.

It is an arithmetic number, because the mean of its divisors is an integer number (313181880).

Almost surely, 2^1252506023 is an apocalyptic number.

1252506023 is a deficient number, since it is larger than the sum of its proper divisors (221497).

1252506023 is an equidigital number, since it uses as much as digits as its factorization.

1252506023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221496.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1252506023 is about 35390.7618313028. The cubic root of 1252506023 is about 1077.9367395295.

Adding to 1252506023 its reverse (3206052521), we get a palindrome (4458558544).

The spelling of 1252506023 in words is "one billion, two hundred fifty-two million, five hundred six thousand, twenty-three".