5137645 has 8 divisors (see below), whose sum is σ = 6187104. Its totient is φ = 4095504.

The previous prime is 5137547. The next prime is 5137651. The reversal of 5137645 is 5467315.

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 5137645 - 2¹¹ = 5135597 is a prime.

It is a super-3 number, since 3×5137645³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 139 + ... + 3208.

It is an arithmetic number, because the mean of its divisors is an integer number (773388).

Almost surely, 2^5137645 is an apocalyptic number.

It is an amenable number.

5137645 is a deficient number, since it is larger than the sum of its proper divisors (1049459).

5137645 is a wasteful number, since it uses less digits than its factorization.

5137645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659.

The product of its digits is 12600, while the sum is 31.

The square root of 5137645 is about 2266.6373772617. The cubic root of 5137645 is about 172.5525429801.

The spelling of 5137645 in words is "five million, one hundred thirty-seven thousand, six hundred forty-five".