6516151 has 4 divisors (see below), whose sum is σ = 6899472. Its totient is φ = 6132832.

The previous prime is 6516149. The next prime is 6516161. The reversal of 6516151 is 1516156.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6516151 - 2¹ = 6516149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6516121) 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, 191635 + ... + 191668.

It is an arithmetic number, because the mean of its divisors is an integer number (1724868).

Almost surely, 2^6516151 is an apocalyptic number.

6516151 is a deficient number, since it is larger than the sum of its proper divisors (383321).

6516151 is a wasteful number, since it uses less digits than its factorization.

6516151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383320.

The product of its digits is 900, while the sum is 25.

The square root of 6516151 is about 2552.6752633267. The cubic root of 6516151 is about 186.7800038051.

The spelling of 6516151 in words is "six million, five hundred sixteen thousand, one hundred fifty-one".