1513255247 has 8 divisors (see below), whose sum is σ = 1820457600. Its totient is φ = 1228808664.

The previous prime is 1513255217. The next prime is 1513255291. The reversal of 1513255247 is 7425523151.

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 1513255247 - 2²⁸ = 1244819791 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 (1513255217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5688797 + ... + 5689062.

It is an arithmetic number, because the mean of its divisors is an integer number (227557200).

Almost surely, 2^1513255247 is an apocalyptic number.

1513255247 is a deficient number, since it is larger than the sum of its proper divisors (307202353).

1513255247 is a wasteful number, since it uses less digits than its factorization.

1513255247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11377885.

The product of its digits is 42000, while the sum is 35.

The square root of 1513255247 is about 38900.5815766294. The cubic root of 1513255247 is about 1148.0762410061.

Adding to 1513255247 its reverse (7425523151), we get a palindrome (8938778398).

The spelling of 1513255247 in words is "one billion, five hundred thirteen million, two hundred fifty-five thousand, two hundred forty-seven".