2154254 has 4 divisors (see below), whose sum is σ = 3231384. Its totient is φ = 1077126.

The previous prime is 2154241. The next prime is 2154259. The reversal of 2154254 is 4524512.

It is a happy number.

2154254 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 Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154259) 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 as a sum of consecutive naturals, namely, 538562 + ... + 538565.

It is an arithmetic number, because the mean of its divisors is an integer number (807846).

2^2154254 is an apocalyptic number.

2154254 is a deficient number, since it is larger than the sum of its proper divisors (1077130).

2154254 is a wasteful number, since it uses less digits than its factorization.

2154254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077129.

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

The square root of 2154254 is about 1467.7377149886. The cubic root of 2154254 is about 129.1513557063.

Adding to 2154254 its reverse (4524512), we get a palindrome (6678766).

The spelling of 2154254 in words is "two million, one hundred fifty-four thousand, two hundred fifty-four".