5172387 has 12 divisors (see below), whose sum is σ = 7581000. Its totient is φ = 3134560.

The previous prime is 5172383. The next prime is 5172407. The reversal of 5172387 is 7832715.

It is not a de Polignac number, because 5172387 - 2² = 5172383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (5172383) 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 11 ways as a sum of consecutive naturals, for example, 6762 + ... + 7487.

It is an arithmetic number, because the mean of its divisors is an integer number (631750).

Almost surely, 2^5172387 is an apocalyptic number.

5172387 is a deficient number, since it is larger than the sum of its proper divisors (2408613).

5172387 is a wasteful number, since it uses less digits than its factorization.

5172387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274 (or 14263 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 5172387 is about 2274.2882403073. The cubic root of 5172387 is about 172.9406169048.

The spelling of 5172387 in words is "five million, one hundred seventy-two thousand, three hundred eighty-seven".