5137321 has 8 divisors (see below), whose sum is σ = 6073920. Its totient is φ = 4251408.

The previous prime is 5137309. The next prime is 5137357. The reversal of 5137321 is 1237315.

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

It is not a de Polignac number, because 5137321 - 2⁷ = 5137193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5137292 and 5137301.

It is not an unprimeable number, because it can be changed into a prime (5137361) 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, 12451 + ... + 12856.

It is an arithmetic number, because the mean of its divisors is an integer number (759240).

Almost surely, 2^5137321 is an apocalyptic number.

It is an amenable number.

5137321 is a deficient number, since it is larger than the sum of its proper divisors (936599).

5137321 is a wasteful number, since it uses less digits than its factorization.

5137321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25343.

The product of its digits is 630, while the sum is 22.

The square root of 5137321 is about 2266.5659046231. The cubic root of 5137321 is about 172.5489156243.

The spelling of 5137321 in words is "five million, one hundred thirty-seven thousand, three hundred twenty-one".