6551251 has 12 divisors (see below), whose sum is σ = 7953552. Its totient is φ = 5370288.

The previous prime is 6551249. The next prime is 6551291. The reversal of 6551251 is 1521556.

It is not a de Polignac number, because 6551251 - 2¹ = 6551249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6551231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1780 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (662796).

Almost surely, 2^6551251 is an apocalyptic number.

6551251 is a deficient number, since it is larger than the sum of its proper divisors (1402301).

6551251 is a wasteful number, since it uses less digits than its factorization.

6551251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850 (or 5843 counting only the distinct ones).

The product of its digits is 1500, while the sum is 25.

The square root of 6551251 is about 2559.5411698193. The cubic root of 6551251 is about 187.1147741178.

The spelling of 6551251 in words is "six million, five hundred fifty-one thousand, two hundred fifty-one".