2600047 has 4 divisors (see below), whose sum is σ = 2611440. Its totient is φ = 2588656.

The previous prime is 2600033. The next prime is 2600051. The reversal of 2600047 is 7400062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7400062 = 2 ⋅3700031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2600047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2599997 and 2600033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2600057) 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, 5347 + ... + 5812.

It is an arithmetic number, because the mean of its divisors is an integer number (652860).

2^2600047 is an apocalyptic number.

2600047 is a deficient number, since it is larger than the sum of its proper divisors (11393).

2600047 is a wasteful number, since it uses less digits than its factorization.

2600047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11392.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2600047 is about 1612.4661236752. The cubic root of 2600047 is about 137.5077152696.

The spelling of 2600047 in words is "two million, six hundred thousand, forty-seven".