5012991 has 6 divisors (see below), whose sum is σ = 7241000. Its totient is φ = 3341988.

The previous prime is 5012981. The next prime is 5012993. The reversal of 5012991 is 1992105.

It is a happy number.

It is not a de Polignac number, because 5012991 - 2⁶ = 5012927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5012993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278491 + ... + 278508.

Almost surely, 2^5012991 is an apocalyptic number.

5012991 is a deficient number, since it is larger than the sum of its proper divisors (2228009).

5012991 is a wasteful number, since it uses less digits than its factorization.

5012991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557005 (or 557002 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 5012991 is about 2238.9709689945. The cubic root of 5012991 is about 171.1455619089.

It can be divided in two parts, 50 and 12991, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 5012991 in words is "five million, twelve thousand, nine hundred ninety-one".