5665259 has 2 divisors, whose sum is σ = 5665260. Its totient is φ = 5665258.

The previous prime is 5665243. The next prime is 5665273. The reversal of 5665259 is 9525665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5665259 - 2⁴ = 5665243 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5665159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832629 + 2832630.

It is an arithmetic number, because the mean of its divisors is an integer number (2832630).

Almost surely, 2^5665259 is an apocalyptic number.

5665259 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665259 is an equidigital number, since it uses as much as digits as its factorization.

5665259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 38.

The square root of 5665259 is about 2380.1804553437. The cubic root of 5665259 is about 178.2679443114.

The spelling of 5665259 in words is "five million, six hundred sixty-five thousand, two hundred fifty-nine".