84118051 has 2 divisors, whose sum is σ = 84118052. Its totient is φ = 84118050.

The previous prime is 84118043. The next prime is 84118063. The reversal of 84118051 is 15081148.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84118051 - 2³ = 84118043 is a prime.

It is not a weakly prime, because it can be changed into another prime (84118081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42059025 + 42059026.

It is an arithmetic number, because the mean of its divisors is an integer number (42059026).

Almost surely, 2^84118051 is an apocalyptic number.

84118051 is a deficient number, since it is larger than the sum of its proper divisors (1).

84118051 is an equidigital number, since it uses as much as digits as its factorization.

84118051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 84118051 is about 9171.5893388224. The cubic root of 84118051 is about 438.1569793094.

Adding to 84118051 its reverse (15081148), we get a palindrome (99199199).

The spelling of 84118051 in words is "eighty-four million, one hundred eighteen thousand, fifty-one".