67115051 has 2 divisors, whose sum is σ = 67115052. Its totient is φ = 67115050.

The previous prime is 67115017. The next prime is 67115057. The reversal of 67115051 is 15051176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67115051 - 2⁶ = 67114987 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67115051.

It is not a weakly prime, because it can be changed into another prime (67115057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33557525 + 33557526.

It is an arithmetic number, because the mean of its divisors is an integer number (33557526).

Almost surely, 2^67115051 is an apocalyptic number.

67115051 is a deficient number, since it is larger than the sum of its proper divisors (1).

67115051 is an equidigital number, since it uses as much as digits as its factorization.

67115051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 67115051 is about 8192.3776158085. The cubic root of 67115051 is about 406.3871572857.

The spelling of 67115051 in words is "sixty-seven million, one hundred fifteen thousand, fifty-one".