2505047 has 4 divisors (see below), whose sum is σ = 2511696. Its totient is φ = 2498400.

The previous prime is 2505043. The next prime is 2505067. The reversal of 2505047 is 7405052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2505047 - 2² = 2505043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505043) 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, 2723 + ... + 3524.

It is an arithmetic number, because the mean of its divisors is an integer number (627924).

2^2505047 is an apocalyptic number.

2505047 is a deficient number, since it is larger than the sum of its proper divisors (6649).

2505047 is an equidigital number, since it uses as much as digits as its factorization.

2505047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6648.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 2505047 is about 1582.7340269294. The cubic root of 2505047 is about 135.8121505436.

The spelling of 2505047 in words is "two million, five hundred five thousand, forty-seven".