5139549 has 12 divisors (see below), whose sum is σ = 7550400. Its totient is φ = 3367944.

The previous prime is 5139539. The next prime is 5139551. The reversal of 5139549 is 9459315.

It is not a de Polignac number, because 5139549 - 2⁵ = 5139517 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5139509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4309 + ... + 5370.

It is an arithmetic number, because the mean of its divisors is an integer number (629200).

Almost surely, 2^5139549 is an apocalyptic number.

5139549 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5139549 is a deficient number, since it is larger than the sum of its proper divisors (2410851).

5139549 is a wasteful number, since it uses less digits than its factorization.

5139549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9744 (or 9741 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 5139549 is about 2267.0573437829. The cubic root of 5139549 is about 172.5738562125.

The spelling of 5139549 in words is "five million, one hundred thirty-nine thousand, five hundred forty-nine".