1345253171 has 2 divisors, whose sum is σ = 1345253172. Its totient is φ = 1345253170.

The previous prime is 1345253137. The next prime is 1345253177. The reversal of 1345253171 is 1713525431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345253171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1345253177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672626585 + 672626586.

It is an arithmetic number, because the mean of its divisors is an integer number (672626586).

Almost surely, 2^1345253171 is an apocalyptic number.

1345253171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345253171 is an equidigital number, since it uses as much as digits as its factorization.

1345253171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 32.

The square root of 1345253171 is about 36677.6930981216. The cubic root of 1345253171 is about 1103.9125604079.

The spelling of 1345253171 in words is "one billion, three hundred forty-five million, two hundred fifty-three thousand, one hundred seventy-one".