6555251 has 8 divisors (see below), whose sum is σ = 6985440. Its totient is φ = 6130048.

The previous prime is 6555239. The next prime is 6555271. The reversal of 6555251 is 1525556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6555251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6555271) 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, 1685 + ... + 3993.

It is an arithmetic number, because the mean of its divisors is an integer number (873180).

Almost surely, 2^6555251 is an apocalyptic number.

6555251 is a deficient number, since it is larger than the sum of its proper divisors (430189).

6555251 is a wasteful number, since it uses less digits than its factorization.

6555251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493.

The product of its digits is 7500, while the sum is 29.

The square root of 6555251 is about 2560.3224406313. The cubic root of 6555251 is about 187.1528486179.

The spelling of 6555251 in words is "six million, five hundred fifty-five thousand, two hundred fifty-one".