5191023 has 8 divisors (see below), whose sum is σ = 7019136. Its totient is φ = 3411800.

The previous prime is 5191019. The next prime is 5191027. The reversal of 5191023 is 3201915.

It is an interprime number because it is at equal distance from previous prime (5191019) and next prime (5191027).

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 5191023 - 2² = 5191019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5191027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11973 + ... + 12398.

It is an arithmetic number, because the mean of its divisors is an integer number (877392).

Almost surely, 2^5191023 is an apocalyptic number.

5191023 is a deficient number, since it is larger than the sum of its proper divisors (1828113).

5191023 is a wasteful number, since it uses less digits than its factorization.

5191023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24445.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 5191023 is about 2278.3816624964. The cubic root of 5191023 is about 173.1480684071.

Adding to 5191023 its reverse (3201915), we get a palindrome (8392938).

The spelling of 5191023 in words is "five million, one hundred ninety-one thousand, twenty-three".