1322544253 has 4 divisors (see below), whose sum is σ = 1326769948. Its totient is φ = 1318318560.

The previous prime is 1322544247. The next prime is 1322544259. The reversal of 1322544253 is 3524452231.

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

It is an interprime number because it is at equal distance from previous prime (1322544247) and next prime (1322544259).

It can be written as a sum of positive squares in 2 ways, for example, as 376243609 + 946300644 = 19397^2 + 30762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322544253 - 2⁹ = 1322543741 is a prime.

It is a super-2 number, since 2×1322544253² = 3498246602286656018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322544259) 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, 2112378 + ... + 2113003.

It is an arithmetic number, because the mean of its divisors is an integer number (331692487).

Almost surely, 2^1322544253 is an apocalyptic number.

It is an amenable number.

1322544253 is a deficient number, since it is larger than the sum of its proper divisors (4225695).

1322544253 is an equidigital number, since it uses as much as digits as its factorization.

1322544253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225694.

The product of its digits is 28800, while the sum is 31.

The square root of 1322544253 is about 36366.8015228175. The cubic root of 1322544253 is about 1097.6656427775.

Adding to 1322544253 its reverse (3524452231), we get a palindrome (4846996484).

The spelling of 1322544253 in words is "one billion, three hundred twenty-two million, five hundred forty-four thousand, two hundred fifty-three".