2573147 has 4 divisors (see below), whose sum is σ = 2593536. Its totient is φ = 2552760.

The previous prime is 2573143. The next prime is 2573149. The reversal of 2573147 is 7413752.

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 2573147 - 2² = 2573143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2573143) 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, 10004 + ... + 10257.

It is an arithmetic number, because the mean of its divisors is an integer number (648384).

2^2573147 is an apocalyptic number.

2573147 is a deficient number, since it is larger than the sum of its proper divisors (20389).

2573147 is a wasteful number, since it uses less digits than its factorization.

2573147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20388.

The product of its digits is 5880, while the sum is 29.

The square root of 2573147 is about 1604.1031762328. The cubic root of 2573147 is about 137.0318536407.

Adding to 2573147 its reverse (7413752), we get a palindrome (9986899).

The spelling of 2573147 in words is "two million, five hundred seventy-three thousand, one hundred forty-seven".