2150782 has 4 divisors (see below), whose sum is σ = 3226176. Its totient is φ = 1075390.

The previous prime is 2150777. The next prime is 2150783. The reversal of 2150782 is 2870512.

2150782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537694 + ... + 537697.

It is an arithmetic number, because the mean of its divisors is an integer number (806544).

2^2150782 is an apocalyptic number.

2150782 is a deficient number, since it is larger than the sum of its proper divisors (1075394).

2150782 is a wasteful number, since it uses less digits than its factorization.

2150782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075393.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2150782 is about 1466.5544654052. The cubic root of 2150782 is about 129.0819342074.

The spelling of 2150782 in words is "two million, one hundred fifty thousand, seven hundred eighty-two".