5142789 has 12 divisors (see below), whose sum is σ = 7865676. Its totient is φ = 3226752.

The previous prime is 5142779. The next prime is 5142793. The reversal of 5142789 is 9872415.

It can be written as a sum of positive squares in 2 ways, for example, as 2614689 + 2528100 = 1617^2 + 1590^2 .

It is not a de Polignac number, because 5142789 - 2⁷ = 5142661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16654 + ... + 16959.

It is an arithmetic number, because the mean of its divisors is an integer number (655473).

Almost surely, 2^5142789 is an apocalyptic number.

It is an amenable number.

5142789 is a deficient number, since it is larger than the sum of its proper divisors (2722887).

5142789 is a wasteful number, since it uses less digits than its factorization.

5142789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33636 (or 33633 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 5142789 is about 2267.7718139178. The cubic root of 5142789 is about 172.6101124314.

The spelling of 5142789 in words is "five million, one hundred forty-two thousand, seven hundred eighty-nine".