5191623 has 12 divisors (see below), whose sum is σ = 7542808. Its totient is φ = 3440880.

The previous prime is 5191603. The next prime is 5191651. The reversal of 5191623 is 3261915.

It is not a de Polignac number, because 5191623 - 2⁸ = 5191367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5191603) 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, 36 + ... + 3222.

Almost surely, 2^5191623 is an apocalyptic number.

5191623 is a deficient number, since it is larger than the sum of its proper divisors (2351185).

5191623 is a wasteful number, since it uses less digits than its factorization.

5191623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374 (or 3371 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 5191623 is about 2278.5133310999. The cubic root of 5191623 is about 173.1547392077.

The spelling of 5191623 in words is "five million, one hundred ninety-one thousand, six hundred twenty-three".