2572646 has 4 divisors (see below), whose sum is σ = 3858972. Its totient is φ = 1286322.

The previous prime is 2572621. The next prime is 2572649. The reversal of 2572646 is 6462752.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643160 + ... + 643163.

It is an arithmetic number, because the mean of its divisors is an integer number (964743).

2^2572646 is an apocalyptic number.

2572646 is a deficient number, since it is larger than the sum of its proper divisors (1286326).

2572646 is a wasteful number, since it uses less digits than its factorization.

2572646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286325.

The product of its digits is 20160, while the sum is 32.

The square root of 2572646 is about 1603.9470066059. The cubic root of 2572646 is about 137.0229595491.

The spelling of 2572646 in words is "two million, five hundred seventy-two thousand, six hundred forty-six".