1253304413 has 4 divisors (see below), whose sum is σ = 1327028220. Its totient is φ = 1179580608.

The previous prime is 1253304401. The next prime is 1253304421. The reversal of 1253304413 is 3144033521.

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 977312644 + 275991769 = 31262^2 + 16613^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253304413 - 2¹⁸ = 1253042269 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 (1253304443) 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, 36861878 + ... + 36861911.

It is an arithmetic number, because the mean of its divisors is an integer number (331757055).

Almost surely, 2^1253304413 is an apocalyptic number.

It is an amenable number.

1253304413 is a deficient number, since it is larger than the sum of its proper divisors (73723807).

1253304413 is an equidigital number, since it uses as much as digits as its factorization.

1253304413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73723806.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1253304413 is about 35402.0396728776. The cubic root of 1253304413 is about 1078.1657287455.

Adding to 1253304413 its reverse (3144033521), we get a palindrome (4397337934).

The spelling of 1253304413 in words is "one billion, two hundred fifty-three million, three hundred four thousand, four hundred thirteen".