5151849 has 4 divisors (see below), whose sum is σ = 6869136. Its totient is φ = 3434564.

The previous prime is 5151847. The next prime is 5151851. The reversal of 5151849 is 9481515.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (5151847) and next prime (5151851).

It is a cyclic number.

It is not a de Polignac number, because 5151849 - 2¹ = 5151847 is a prime.

It is a D-number.

5151849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5151841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858639 + ... + 858644.

It is an arithmetic number, because the mean of its divisors is an integer number (1717284).

Almost surely, 2^5151849 is an apocalyptic number.

It is an amenable number.

5151849 is a deficient number, since it is larger than the sum of its proper divisors (1717287).

5151849 is a wasteful number, since it uses less digits than its factorization.

5151849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717286.

The product of its digits is 7200, while the sum is 33.

The square root of 5151849 is about 2269.7684903972. The cubic root of 5151849 is about 172.7114148037.

The spelling of 5151849 in words is "five million, one hundred fifty-one thousand, eight hundred forty-nine".