4576991 has 2 divisors, whose sum is σ = 4576992. Its totient is φ = 4576990.

The previous prime is 4576981. The next prime is 4576993. The reversal of 4576991 is 1996754.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4576991 is a prime.

It is a super-2 number, since 2×4576991² = 41897693228162, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4576993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4576993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2288495 + 2288496.

It is an arithmetic number, because the mean of its divisors is an integer number (2288496).

Almost surely, 2^4576991 is an apocalyptic number.

4576991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4576991 is an equidigital number, since it uses as much as digits as its factorization.

4576991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 4576991 is about 2139.3903337166. The cubic root of 4576991 is about 166.0325938805.

The spelling of 4576991 in words is "four million, five hundred seventy-six thousand, nine hundred ninety-one".