6521049 has 12 divisors (see below), whose sum is σ = 9492912. Its totient is φ = 4313400.

The previous prime is 6521041. The next prime is 6521057. The reversal of 6521049 is 9401256.

6521049 is a `hidden beast` number, since 652 + 1 + 0 + 4 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (6521041) and next prime (6521057).

It is not a de Polignac number, because 6521049 - 2³ = 6521041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6521041) 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, 1587 + ... + 3944.

It is an arithmetic number, because the mean of its divisors is an integer number (791076).

Almost surely, 2^6521049 is an apocalyptic number.

It is an amenable number.

6521049 is a deficient number, since it is larger than the sum of its proper divisors (2971863).

6521049 is a wasteful number, since it uses less digits than its factorization.

6521049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668 (or 5665 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 6521049 is about 2553.6344687523. The cubic root of 6521049 is about 186.8267911050.

The spelling of 6521049 in words is "six million, five hundred twenty-one thousand, forty-nine".