618254971 has 2 divisors, whose sum is σ = 618254972. Its totient is φ = 618254970.

The previous prime is 618254957. The next prime is 618254977. The reversal of 618254971 is 179452816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 618254971 - 2⁷ = 618254843 is a prime.

It is not a weakly prime, because it can be changed into another prime (618254977) 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, 309127485 + 309127486.

It is an arithmetic number, because the mean of its divisors is an integer number (309127486).

Almost surely, 2^618254971 is an apocalyptic number.

618254971 is a deficient number, since it is larger than the sum of its proper divisors (1).

618254971 is an equidigital number, since it uses as much as digits as its factorization.

618254971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The square root of 618254971 is about 24864.7334793679. The cubic root of 618254971 is about 851.9011522307.

The spelling of 618254971 in words is "six hundred eighteen million, two hundred fifty-four thousand, nine hundred seventy-one".