1252313 has 4 divisors (see below), whose sum is σ = 1256628. Its totient is φ = 1248000.

The previous prime is 1252283. The next prime is 1252331. The reversal of 1252313 is 3132521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24649 + 1227664 = 157^2 + 1108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252313 - 2⁸ = 1252057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252291 and 1252300.

It is not an unprimeable number, because it can be changed into a prime (1252343) 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, 1688 + ... + 2313.

It is an arithmetic number, because the mean of its divisors is an integer number (314157).

2^1252313 is an apocalyptic number.

It is an amenable number.

1252313 is a deficient number, since it is larger than the sum of its proper divisors (4315).

1252313 is an equidigital number, since it uses as much as digits as its factorization.

1252313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314.

The product of its digits is 180, while the sum is 17.

The square root of 1252313 is about 1119.0679157227. The cubic root of 1252313 is about 107.7881363276.

Adding to 1252313 its reverse (3132521), we get a palindrome (4384834).

It can be divided in two parts, 1252 and 313, that multiplied together give a square (391876 = 626²).

The spelling of 1252313 in words is "one million, two hundred fifty-two thousand, three hundred thirteen".