6013649 has 4 divisors (see below), whose sum is σ = 6275136. Its totient is φ = 5752164.

The previous prime is 6013627. The next prime is 6013691. The reversal of 6013649 is 9463106.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6013649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6013849) 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, 130709 + ... + 130754.

It is an arithmetic number, because the mean of its divisors is an integer number (1568784).

Almost surely, 2^6013649 is an apocalyptic number.

It is an amenable number.

6013649 is a deficient number, since it is larger than the sum of its proper divisors (261487).

6013649 is a wasteful number, since it uses less digits than its factorization.

6013649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261486.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 6013649 is about 2452.2742505682. The cubic root of 6013649 is about 181.8497431498.

The spelling of 6013649 in words is "six million, thirteen thousand, six hundred forty-nine".