2530806 has 8 divisors (see below), whose sum is σ = 5061624. Its totient is φ = 843600.

The previous prime is 2530799. The next prime is 2530831. The reversal of 2530806 is 6080352.

2530806 is nontrivially palindromic in base 5.

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

2530806 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210895 + ... + 210906.

It is an arithmetic number, because the mean of its divisors is an integer number (632703).

2^2530806 is an apocalyptic number.

2530806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2530806 is a wasteful number, since it uses less digits than its factorization.

2530806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421806.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2530806 is about 1590.8507158121. The cubic root of 2530806 is about 136.2760755862.

The spelling of 2530806 in words is "two million, five hundred thirty thousand, eight hundred six".