67516051 has 2 divisors, whose sum is σ = 67516052. Its totient is φ = 67516050.

The previous prime is 67515997. The next prime is 67516069. The reversal of 67516051 is 15061576.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67516051 is a prime.

It is not a weakly prime, because it can be changed into another prime (67516091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33758025 + 33758026.

It is an arithmetic number, because the mean of its divisors is an integer number (33758026).

Almost surely, 2^67516051 is an apocalyptic number.

67516051 is a deficient number, since it is larger than the sum of its proper divisors (1).

67516051 is an equidigital number, since it uses as much as digits as its factorization.

67516051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 67516051 is about 8216.8151372658. The cubic root of 67516051 is about 407.1949133516.

The spelling of 67516051 in words is "sixty-seven million, five hundred sixteen thousand, fifty-one".