2153654 has 4 divisors (see below), whose sum is σ = 3230484. Its totient is φ = 1076826.

The previous prime is 2153647. The next prime is 2153693. The reversal of 2153654 is 4563512.

2153654 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 d-powerful number, because it can be written as 2¹⁶ + 1 + 5⁶ + 3⁷ + 6⁸ + 5⁸ + 4³ .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 538412 + ... + 538415.

It is an arithmetic number, because the mean of its divisors is an integer number (807621).

2^2153654 is an apocalyptic number.

2153654 is a deficient number, since it is larger than the sum of its proper divisors (1076830).

2153654 is a wasteful number, since it uses less digits than its factorization.

2153654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076829.

The product of its digits is 3600, while the sum is 26.

The square root of 2153654 is about 1467.5333045625. The cubic root of 2153654 is about 129.1393642375.

The spelling of 2153654 in words is "two million, one hundred fifty-three thousand, six hundred fifty-four".