67535057 has 2 divisors, whose sum is σ = 67535058. Its totient is φ = 67535056.

The previous prime is 67535053. The next prime is 67535087. The reversal of 67535057 is 75053576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67305616 + 229441 = 8204^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 67535057 - 2² = 67535053 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 67535057.

It is not a weakly prime, because it can be changed into another prime (67535051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33767528 + 33767529.

It is an arithmetic number, because the mean of its divisors is an integer number (33767529).

Almost surely, 2^67535057 is an apocalyptic number.

It is an amenable number.

67535057 is a deficient number, since it is larger than the sum of its proper divisors (1).

67535057 is an equidigital number, since it uses as much as digits as its factorization.

67535057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 67535057 is about 8217.9715867117. The cubic root of 67535057 is about 407.2331186885.

The spelling of 67535057 in words is "sixty-seven million, five hundred thirty-five thousand, fifty-seven".