4997659 has 2 divisors, whose sum is σ = 4997660. Its totient is φ = 4997658.

The previous prime is 4997621. The next prime is 4997683. The reversal of 4997659 is 9567994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4997659 - 2¹⁵ = 4964891 is a prime.

It is not a weakly prime, because it can be changed into another prime (4997689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2498829 + 2498830.

It is an arithmetic number, because the mean of its divisors is an integer number (2498830).

Almost surely, 2^4997659 is an apocalyptic number.

4997659 is a deficient number, since it is larger than the sum of its proper divisors (1).

4997659 is an equidigital number, since it uses as much as digits as its factorization.

4997659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 49.

The square root of 4997659 is about 2235.5444527005. The cubic root of 4997659 is about 170.9709034770.

The spelling of 4997659 in words is "four million, nine hundred ninety-seven thousand, six hundred fifty-nine".