6491051 has 8 divisors (see below), whose sum is σ = 7442400. Its totient is φ = 5545728.

The previous prime is 6491047. The next prime is 6491081. The reversal of 6491051 is 1501946.

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 6491051 - 2² = 6491047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6491051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6491011) 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, 1115 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (930300).

Almost surely, 2^6491051 is an apocalyptic number.

6491051 is a deficient number, since it is larger than the sum of its proper divisors (951349).

6491051 is a wasteful number, since it uses less digits than its factorization.

6491051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 6491051 is about 2547.7541090144. The cubic root of 6491051 is about 186.5398717303.

Adding to 6491051 its reverse (1501946), we get a palindrome (7992997).

The spelling of 6491051 in words is "six million, four hundred ninety-one thousand, fifty-one".