6690059 has 2 divisors, whose sum is σ = 6690060. Its totient is φ = 6690058.

The previous prime is 6690029. The next prime is 6690067. The reversal of 6690059 is 9500966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6690059 - 2¹² = 6685963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6690029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3345029 + 3345030.

It is an arithmetic number, because the mean of its divisors is an integer number (3345030).

Almost surely, 2^6690059 is an apocalyptic number.

6690059 is a deficient number, since it is larger than the sum of its proper divisors (1).

6690059 is an equidigital number, since it uses as much as digits as its factorization.

6690059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 6690059 is about 2586.5148366093. The cubic root of 6690059 is about 188.4270790935.

The spelling of 6690059 in words is "six million, six hundred ninety thousand, fifty-nine".