5194721 has 8 divisors (see below), whose sum is σ = 6009024. Its totient is φ = 4398480.

The previous prime is 5194703. The next prime is 5194727. The reversal of 5194721 is 1274915.

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 5194721 - 2¹⁴ = 5178337 is a prime.

It is a super-3 number, since 3×5194721³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5194727) 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, 3890 + ... + 5051.

It is an arithmetic number, because the mean of its divisors is an integer number (751128).

Almost surely, 2^5194721 is an apocalyptic number.

It is an amenable number.

5194721 is a deficient number, since it is larger than the sum of its proper divisors (814303).

5194721 is an equidigital number, since it uses as much as digits as its factorization.

5194721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9031.

The product of its digits is 2520, while the sum is 29.

The square root of 5194721 is about 2279.1930589575. The cubic root of 5194721 is about 173.1891745995.

The spelling of 5194721 in words is "five million, one hundred ninety-four thousand, seven hundred twenty-one".