1253622313 has 8 divisors (see below), whose sum is σ = 1327790880. Its totient is φ = 1179501120.

The previous prime is 1253622311. The next prime is 1253622317. The reversal of 1253622313 is 3132263521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1253622313 - 2¹ = 1253622311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253622311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52758 + ... + 72736.

It is an arithmetic number, because the mean of its divisors is an integer number (165973860).

Almost surely, 2^1253622313 is an apocalyptic number.

It is an amenable number.

1253622313 is a deficient number, since it is larger than the sum of its proper divisors (74168567).

1253622313 is a wasteful number, since it uses less digits than its factorization.

1253622313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23687.

The product of its digits is 6480, while the sum is 28.

The square root of 1253622313 is about 35406.5292424999. The cubic root of 1253622313 is about 1078.2568797610.

Adding to 1253622313 its reverse (3132263521), we get a palindrome (4385885834).

The spelling of 1253622313 in words is "one billion, two hundred fifty-three million, six hundred twenty-two thousand, three hundred thirteen".