5172855 has 8 divisors (see below), whose sum is σ = 8276592. Its totient is φ = 2758848.

The previous prime is 5172851. The next prime is 5172889. The reversal of 5172855 is 5582715.

It is a happy number.

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

It is not a de Polignac number, because 5172855 - 2² = 5172851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172851) 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, 172414 + ... + 172443.

It is an arithmetic number, because the mean of its divisors is an integer number (1034574).

Almost surely, 2^5172855 is an apocalyptic number.

5172855 is a deficient number, since it is larger than the sum of its proper divisors (3103737).

5172855 is a wasteful number, since it uses less digits than its factorization.

5172855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344865.

The product of its digits is 14000, while the sum is 33.

The square root of 5172855 is about 2274.3911273130. The cubic root of 5172855 is about 172.9458326635.

The spelling of 5172855 in words is "five million, one hundred seventy-two thousand, eight hundred fifty-five".