2150256 has 20 divisors (see below), whose sum is σ = 5554952. Its totient is φ = 716736.

The previous prime is 2150227. The next prime is 2150273. The reversal of 2150256 is 6520512.

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, 22351 + ... + 22446.

2^2150256 is an apocalyptic number.

It is an amenable number.

2150256 is an abundant number, since it is smaller than the sum of its proper divisors (3404696).

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

2150256 is a wasteful number, since it uses less digits than its factorization.

2150256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44808 (or 44802 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2150256 is about 1466.3751225386. The cubic root of 2150256 is about 129.0714104951.

Adding to 2150256 its reverse (6520512), we get a palindrome (8670768).

The spelling of 2150256 in words is "two million, one hundred fifty thousand, two hundred fifty-six".