2154524 has 12 divisors (see below), whose sum is σ = 3969000. Its totient is φ = 1020528.

The previous prime is 2154499. The next prime is 2154533. The reversal of 2154524 is 4254512.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14099 + ... + 14250.

It is an arithmetic number, because the mean of its divisors is an integer number (330750).

2^2154524 is an apocalyptic number.

It is an amenable number.

2154524 is a deficient number, since it is larger than the sum of its proper divisors (1814476).

2154524 is a wasteful number, since it uses less digits than its factorization.

2154524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28372 (or 28370 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 2154524 is about 1467.8296903933. The cubic root of 2154524 is about 129.1567511408.

It can be divided in two parts, 21 and 54524, that added together give a palindrome (54545).

The spelling of 2154524 in words is "two million, one hundred fifty-four thousand, five hundred twenty-four".