5191538 has 8 divisors (see below), whose sum is σ = 8495280. Its totient is φ = 2359780.

The previous prime is 5191513. The next prime is 5191597. The reversal of 5191538 is 8351915.

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

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117968 + ... + 118011.

It is an arithmetic number, because the mean of its divisors is an integer number (1061910).

Almost surely, 2^5191538 is an apocalyptic number.

5191538 is a deficient number, since it is larger than the sum of its proper divisors (3303742).

5191538 is a wasteful number, since it uses less digits than its factorization.

5191538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235992.

The product of its digits is 5400, while the sum is 32.

The square root of 5191538 is about 2278.4946785104. The cubic root of 5191538 is about 173.1537942089.

The spelling of 5191538 in words is "five million, one hundred ninety-one thousand, five hundred thirty-eight".