5172645 has 8 divisors (see below), whose sum is σ = 8276256. Its totient is φ = 2758736.

The previous prime is 5172571. The next prime is 5172647. The reversal of 5172645 is 5462715.

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 5172645 - 2¹⁵ = 5139877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172647) 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, 172407 + ... + 172436.

It is an arithmetic number, because the mean of its divisors is an integer number (1034532).

Almost surely, 2^5172645 is an apocalyptic number.

It is an amenable number.

5172645 is a deficient number, since it is larger than the sum of its proper divisors (3103611).

5172645 is a wasteful number, since it uses less digits than its factorization.

5172645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344851.

The product of its digits is 8400, while the sum is 30.

The square root of 5172645 is about 2274.3449606425. The cubic root of 5172645 is about 172.9434922979.

The spelling of 5172645 in words is "five million, one hundred seventy-two thousand, six hundred forty-five".