6299009 has 4 divisors (see below), whose sum is σ = 6314820. Its totient is φ = 6283200.

The previous prime is 6298973. The next prime is 6299053. The reversal of 6299009 is 9009926.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9009926 = 2 ⋅4504963.

It can be written as a sum of positive squares in 2 ways, for example, as 6076225 + 222784 = 2465^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 6299009 - 2⁸ = 6298753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6299009.

It is not an unprimeable number, because it can be changed into a prime (6292009) 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, 7292 + ... + 8109.

It is an arithmetic number, because the mean of its divisors is an integer number (1578705).

Almost surely, 2^6299009 is an apocalyptic number.

It is an amenable number.

6299009 is a deficient number, since it is larger than the sum of its proper divisors (15811).

6299009 is a wasteful number, since it uses less digits than its factorization.

6299009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15810.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 6299009 is about 2509.7826599130. The cubic root of 6299009 is about 184.6817904496.

It can be divided in two parts, 629 and 9009, that multiplied together give a triangular number (5666661 = T₃₃₆₆).

The spelling of 6299009 in words is "six million, two hundred ninety-nine thousand, nine".