1015254913 has 2 divisors, whose sum is σ = 1015254914. Its totient is φ = 1015254912.

The previous prime is 1015254893. The next prime is 1015254923. The reversal of 1015254913 is 3194525101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 918271809 + 96983104 = 30303^2 + 9848^2 .

It is an emirp because it is prime and its reverse (3194525101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1015254913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1015254923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507627456 + 507627457.

It is an arithmetic number, because the mean of its divisors is an integer number (507627457).

Almost surely, 2^1015254913 is an apocalyptic number.

It is an amenable number.

1015254913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015254913 is an equidigital number, since it uses as much as digits as its factorization.

1015254913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1015254913 is about 31863.0650283365. The cubic root of 1015254913 is about 1005.0593310022.

The spelling of 1015254913 in words is "one billion, fifteen million, two hundred fifty-four thousand, nine hundred thirteen".