5149531 has 2 divisors, whose sum is σ = 5149532. Its totient is φ = 5149530.

The previous prime is 5149519. The next prime is 5149537. The reversal of 5149531 is 1359415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5149531 - 2¹⁵ = 5116763 is a prime.

It is a super-2 number, since 2×5149531² = 53035339039922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5149531.

It is not a weakly prime, because it can be changed into another prime (5149537) 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 as a sum of consecutive naturals, namely, 2574765 + 2574766.

It is an arithmetic number, because the mean of its divisors is an integer number (2574766).

Almost surely, 2^5149531 is an apocalyptic number.

5149531 is a deficient number, since it is larger than the sum of its proper divisors (1).

5149531 is an equidigital number, since it uses as much as digits as its factorization.

5149531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 28.

The square root of 5149531 is about 2269.2578081831. The cubic root of 5149531 is about 172.6855079162.

The spelling of 5149531 in words is "five million, one hundred forty-nine thousand, five hundred thirty-one".