5142991 has 6 divisors (see below), whose sum is σ = 5982720. Its totient is φ = 4408236.

The previous prime is 5142989. The next prime is 5143013. The reversal of 5142991 is 1992415.

It is not a de Polignac number, because 5142991 - 2¹ = 5142989 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 (5142911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52431 + ... + 52528.

It is an arithmetic number, because the mean of its divisors is an integer number (997120).

Almost surely, 2^5142991 is an apocalyptic number.

5142991 is a deficient number, since it is larger than the sum of its proper divisors (839729).

5142991 is a wasteful number, since it uses less digits than its factorization.

5142991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104973 (or 104966 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The square root of 5142991 is about 2267.8163505893. The cubic root of 5142991 is about 172.6123723456.

The spelling of 5142991 in words is "five million, one hundred forty-two thousand, nine hundred ninety-one".