5149897 has 4 divisors (see below), whose sum is σ = 5200000. Its totient is φ = 5099796.

The previous prime is 5149891. The next prime is 5149913. The reversal of 5149897 is 7989415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5149897 - 2¹⁹ = 4625609 is a prime.

It is a super-2 number, since 2×5149897² = 53042878221218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5149891) 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 3 ways as a sum of consecutive naturals, for example, 24897 + ... + 25102.

It is an arithmetic number, because the mean of its divisors is an integer number (1300000).

Almost surely, 2^5149897 is an apocalyptic number.

It is an amenable number.

5149897 is a deficient number, since it is larger than the sum of its proper divisors (50103).

5149897 is a wasteful number, since it uses less digits than its factorization.

5149897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50102.

The product of its digits is 90720, while the sum is 43.

The square root of 5149897 is about 2269.3384498571. The cubic root of 5149897 is about 172.6895989941.

The spelling of 5149897 in words is "five million, one hundred forty-nine thousand, eight hundred ninety-seven".