2152931 has 16 divisors (see below), whose sum is σ = 2579040. Its totient is φ = 1774080.

The previous prime is 2152921. The next prime is 2152939. The reversal of 2152931 is 1392512.

2152931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2152931 - 2⁶ = 2152867 is a prime.

It is a super-2 number, since 2×2152931² = 9270223781522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2152897 and 2152906.

It is not an unprimeable number, because it can be changed into a prime (2152939) 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 in 15 ways as a sum of consecutive naturals, for example, 5225 + ... + 5621.

It is an arithmetic number, because the mean of its divisors is an integer number (161190).

2^2152931 is an apocalyptic number.

2152931 is a deficient number, since it is larger than the sum of its proper divisors (426109).

2152931 is a wasteful number, since it uses less digits than its factorization.

2152931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454.

The product of its digits is 540, while the sum is 23.

The square root of 2152931 is about 1467.2869521672. The cubic root of 2152931 is about 129.1249115584.

The spelling of 2152931 in words is "two million, one hundred fifty-two thousand, nine hundred thirty-one".