1517134243 has 2 divisors, whose sum is σ = 1517134244. Its totient is φ = 1517134242.

The previous prime is 1517134219. The next prime is 1517134261. The reversal of 1517134243 is 3424317151.

It is a strong prime.

It is an emirp because it is prime and its reverse (3424317151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1517134243 - 2⁹ = 1517133731 is a prime.

It is a super-2 number, since 2×1517134243² = 4603392622566366098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1517114243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758567121 + 758567122.

It is an arithmetic number, because the mean of its divisors is an integer number (758567122).

Almost surely, 2^1517134243 is an apocalyptic number.

1517134243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1517134243 is an equidigital number, since it uses as much as digits as its factorization.

1517134243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 1517134243 is about 38950.4074818223. The cubic root of 1517134243 is about 1149.0563760226.

The spelling of 1517134243 in words is "one billion, five hundred seventeen million, one hundred thirty-four thousand, two hundred forty-three".