5151639 has 8 divisors (see below), whose sum is σ = 6879600. Its totient is φ = 3429056.

The previous prime is 5151637. The next prime is 5151659. The reversal of 5151639 is 9361515.

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 5151639 - 2¹ = 5151637 is a prime.

5151639 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5151637) 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, 2329 + ... + 3965.

It is an arithmetic number, because the mean of its divisors is an integer number (859950).

Almost surely, 2^5151639 is an apocalyptic number.

5151639 is a deficient number, since it is larger than the sum of its proper divisors (1727961).

5151639 is a wasteful number, since it uses less digits than its factorization.

5151639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689.

The product of its digits is 4050, while the sum is 30.

The square root of 5151639 is about 2269.7222297012. The cubic root of 5151639 is about 172.7090680805.

The spelling of 5151639 in words is "five million, one hundred fifty-one thousand, six hundred thirty-nine".