5267991 has 8 divisors (see below), whose sum is σ = 7038720. Its totient is φ = 3504632.

The previous prime is 5267953. The next prime is 5268001. The reversal of 5267991 is 1997625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5267991 - 2⁷ = 5267863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5267191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (879840).

Almost surely, 2^5267991 is an apocalyptic number.

5267991 is a deficient number, since it is larger than the sum of its proper divisors (1770729).

5267991 is a wasteful number, since it uses less digits than its factorization.

5267991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685.

The product of its digits is 34020, while the sum is 39.

The square root of 5267991 is about 2295.2104478675. The cubic root of 5267991 is about 173.9996366752. Note that the first 3 decimals are identical.

The spelling of 5267991 in words is "five million, two hundred sixty-seven thousand, nine hundred ninety-one".