1313225245 has 8 divisors (see below), whose sum is σ = 1602580320. Its totient is φ = 1032773520.

The previous prime is 1313225233. The next prime is 1313225269. The reversal of 1313225245 is 5425223131.

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

It is not a de Polignac number, because 1313225245 - 2¹⁵ = 1313192477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2225511 + ... + 2226100.

It is an arithmetic number, because the mean of its divisors is an integer number (200322540).

Almost surely, 2^1313225245 is an apocalyptic number.

It is an amenable number.

1313225245 is a deficient number, since it is larger than the sum of its proper divisors (289355075).

1313225245 is an equidigital number, since it uses as much as digits as its factorization.

1313225245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451675.

The product of its digits is 7200, while the sum is 28.

The square root of 1313225245 is about 36238.4498150790. The cubic root of 1313225245 is about 1095.0814128775.

Adding to 1313225245 its reverse (5425223131), we get a palindrome (6738448376).

The spelling of 1313225245 in words is "one billion, three hundred thirteen million, two hundred twenty-five thousand, two hundred forty-five".