2564201 has 4 divisors (see below), whose sum is σ = 2675712. Its totient is φ = 2452692.

The previous prime is 2564171. The next prime is 2564203. The reversal of 2564201 is 1024652.

It is a happy number.

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 not a de Polignac number, because 2564201 - 2¹⁴ = 2547817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2564203) 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, 55721 + ... + 55766.

It is an arithmetic number, because the mean of its divisors is an integer number (668928).

2^2564201 is an apocalyptic number.

It is an amenable number.

2564201 is a deficient number, since it is larger than the sum of its proper divisors (111511).

2564201 is a wasteful number, since it uses less digits than its factorization.

2564201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111510.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2564201 is about 1601.3122743550. The cubic root of 2564201 is about 136.8728640993.

Adding to 2564201 its reverse (1024652), we get a palindrome (3588853).

The spelling of 2564201 in words is "two million, five hundred sixty-four thousand, two hundred one".