2152754782 has 24 divisors (see below), whose sum is σ = 3425945328. Its totient is φ = 1012619520.

The previous prime is 2152754741. The next prime is 2152754783. The reversal of 2152754782 is 2874572512.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152754783) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 164878 + ... + 177454.

It is an arithmetic number, because the mean of its divisors is an integer number (142747722).

Almost surely, 2^2152754782 is an apocalyptic number.

2152754782 is a deficient number, since it is larger than the sum of its proper divisors (1273190546).

2152754782 is a wasteful number, since it uses less digits than its factorization.

2152754782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12724 (or 12663 counting only the distinct ones).

The product of its digits is 313600, while the sum is 43.

The square root of 2152754782 is about 46397.7885464383. The cubic root of 2152754782 is about 1291.2138849232.

The spelling of 2152754782 in words is "two billion, one hundred fifty-two million, seven hundred fifty-four thousand, seven hundred eighty-two".