2505466 has 8 divisors (see below), whose sum is σ = 3772980. Its totient is φ = 1247808.

The previous prime is 2505457. The next prime is 2505487. The reversal of 2505466 is 6645052.

It can be written as a sum of positive squares in 2 ways, for example, as 1974025 + 531441 = 1405^2 + 729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1791 + ... + 2866.

2^2505466 is an apocalyptic number.

2505466 is a deficient number, since it is larger than the sum of its proper divisors (1267514).

2505466 is a wasteful number, since it uses less digits than its factorization.

2505466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2505466 is about 1582.8663872861. The cubic root of 2505466 is about 135.8197222071.

The spelling of 2505466 in words is "two million, five hundred five thousand, four hundred sixty-six".