5091919 has 8 divisors (see below), whose sum is σ = 5851040. Its totient is φ = 4340736.

The previous prime is 5091899. The next prime is 5091923. The reversal of 5091919 is 9191905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5091919 - 2⁵ = 5091887 is a prime.

It is a super-2 number, since 2×5091919² = 51855278205122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5091929) 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 7 ways as a sum of consecutive naturals, for example, 534 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (731380).

Almost surely, 2^5091919 is an apocalyptic number.

5091919 is a deficient number, since it is larger than the sum of its proper divisors (759121).

5091919 is a wasteful number, since it uses less digits than its factorization.

5091919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969.

The product of its (nonzero) digits is 3645, while the sum is 34.

The square root of 5091919 is about 2256.5280853559. The cubic root of 5091919 is about 172.0391000887.

The spelling of 5091919 in words is "five million, ninety-one thousand, nine hundred nineteen".