1252251323 has 4 divisors (see below), whose sum is σ = 1252385760. Its totient is φ = 1252116888.

The previous prime is 1252251317. The next prime is 1252251361. The reversal of 1252251323 is 3231522521.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252251323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252251292 and 1252251301.

It is not an unprimeable number, because it can be changed into a prime (1252251023) 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, 52115 + ... + 72252.

It is an arithmetic number, because the mean of its divisors is an integer number (313096440).

Almost surely, 2^1252251323 is an apocalyptic number.

1252251323 is a deficient number, since it is larger than the sum of its proper divisors (134437).

1252251323 is a wasteful number, since it uses less digits than its factorization.

1252251323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134436.

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

The square root of 1252251323 is about 35387.1632516651. The cubic root of 1252251323 is about 1077.8636675988.

Adding to 1252251323 its reverse (3231522521), we get a palindrome (4483773844).

The spelling of 1252251323 in words is "one billion, two hundred fifty-two million, two hundred fifty-one thousand, three hundred twenty-three".