2154265 has 16 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 1634752.

The previous prime is 2154259. The next prime is 2154281. The reversal of 2154265 is 5624512.

2154265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2154265 - 2⁷ = 2154137 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 11946 + ... + 12124.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

2^2154265 is an apocalyptic number.

It is an amenable number.

2154265 is a deficient number, since it is larger than the sum of its proper divisors (567335).

2154265 is a wasteful number, since it uses less digits than its factorization.

2154265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296.

The product of its digits is 2400, while the sum is 25.

The square root of 2154265 is about 1467.7414622474. The cubic root of 2154265 is about 129.1515755291.

Adding to 2154265 its reverse (5624512), we get a palindrome (7778777).

The spelling of 2154265 in words is "two million, one hundred fifty-four thousand, two hundred sixty-five".