2529866 has 4 divisors (see below), whose sum is σ = 3794802. Its totient is φ = 1264932.

The previous prime is 2529827. The next prime is 2529881. The reversal of 2529866 is 6689252.

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

It can be written as a sum of positive squares in only one way, i.e., 2163841 + 366025 = 1471^2 + 605^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632465 + ... + 632468.

2^2529866 is an apocalyptic number.

2529866 is a deficient number, since it is larger than the sum of its proper divisors (1264936).

2529866 is a wasteful number, since it uses less digits than its factorization.

2529866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264935.

The product of its digits is 51840, while the sum is 38.

The square root of 2529866 is about 1590.5552489618. Note that the first 3 decimals coincide. The cubic root of 2529866 is about 136.2592014659.

The spelling of 2529866 in words is "two million, five hundred twenty-nine thousand, eight hundred sixty-six".