2402566 has 4 divisors (see below), whose sum is σ = 3603852. Its totient is φ = 1201282.

The previous prime is 2402549. The next prime is 2402567. The reversal of 2402566 is 6652042.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2402566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600640 + ... + 600643.

It is an arithmetic number, because the mean of its divisors is an integer number (900963).

2^2402566 is an apocalyptic number.

2402566 is a deficient number, since it is larger than the sum of its proper divisors (1201286).

2402566 is a wasteful number, since it uses less digits than its factorization.

2402566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201285.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2402566 is about 1550.0212901764. The cubic root of 2402566 is about 133.9342887142.

The spelling of 2402566 in words is "two million, four hundred two thousand, five hundred sixty-six".