5149691 has 12 divisors (see below), whose sum is σ = 5555472. Its totient is φ = 4771968.

The previous prime is 5149679. The next prime is 5149699. The reversal of 5149691 is 1969415.

5149691 = 44² + 45² + ... + 249².

5149691 = 35³ + 36³ + ... + 68³.

It is not a de Polignac number, because 5149691 - 2¹⁴ = 5133307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5149699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29681 + ... + 29853.

It is an arithmetic number, because the mean of its divisors is an integer number (462956).

Almost surely, 2^5149691 is an apocalyptic number.

5149691 is a deficient number, since it is larger than the sum of its proper divisors (405781).

5149691 is a wasteful number, since it uses less digits than its factorization.

5149691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 293 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 5149691 is about 2269.2930617265. The cubic root of 5149691 is about 172.6872963894.

The spelling of 5149691 in words is "five million, one hundred forty-nine thousand, six hundred ninety-one".