418158427 has 2 divisors, whose sum is σ = 418158428. Its totient is φ = 418158426.

The previous prime is 418158409. The next prime is 418158437. The reversal of 418158427 is 724851814.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-418158427 is a prime.

It is a super-2 number, since 2×418158427² = 349712940142228658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 418158427.

It is not a weakly prime, because it can be changed into another prime (418158437) 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, 209079213 + 209079214.

It is an arithmetic number, because the mean of its divisors is an integer number (209079214).

Almost surely, 2^418158427 is an apocalyptic number.

418158427 is a deficient number, since it is larger than the sum of its proper divisors (1).

418158427 is an equidigital number, since it uses as much as digits as its factorization.

418158427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71680, while the sum is 40.

The square root of 418158427 is about 20448.9223921458. The cubic root of 418158427 is about 747.7910870286.

The spelling of 418158427 in words is "four hundred eighteen million, one hundred fifty-eight thousand, four hundred twenty-seven".