1516413247 has 2 divisors, whose sum is σ = 1516413248. Its totient is φ = 1516413246.

The previous prime is 1516413229. The next prime is 1516413251. The reversal of 1516413247 is 7423146151.

It is a strong prime.

It is an emirp because it is prime and its reverse (7423146151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1516413247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1516413257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758206623 + 758206624.

It is an arithmetic number, because the mean of its divisors is an integer number (758206624).

Almost surely, 2^1516413247 is an apocalyptic number.

1516413247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516413247 is an equidigital number, since it uses as much as digits as its factorization.

1516413247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 1516413247 is about 38941.1510744097. The cubic root of 1516413247 is about 1148.8743230659.

Adding to 1516413247 its reverse (7423146151), we get a palindrome (8939559398).

The spelling of 1516413247 in words is "one billion, five hundred sixteen million, four hundred thirteen thousand, two hundred forty-seven".