1513056247 has 2 divisors, whose sum is σ = 1513056248. Its totient is φ = 1513056246.

The previous prime is 1513056229. The next prime is 1513056299. The reversal of 1513056247 is 7426503151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1513056247 - 2¹⁹ = 1512531959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513051247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756528123 + 756528124.

It is an arithmetic number, because the mean of its divisors is an integer number (756528124).

Almost surely, 2^1513056247 is an apocalyptic number.

1513056247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513056247 is an equidigital number, since it uses as much as digits as its factorization.

1513056247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1513056247 is about 38898.0236901568. The cubic root of 1513056247 is about 1148.0259130375.

Adding to 1513056247 its reverse (7426503151), we get a palindrome (8939559398).

The spelling of 1513056247 in words is "one billion, five hundred thirteen million, fifty-six thousand, two hundred forty-seven".