2154255 has 8 divisors (see below), whose sum is σ = 3446832. Its totient is φ = 1148928.

The previous prime is 2154241. The next prime is 2154259. The reversal of 2154255 is 5524512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2154255 - 2⁷ = 2154127 is a prime.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71794 + ... + 71823.

It is an arithmetic number, because the mean of its divisors is an integer number (430854).

2^2154255 is an apocalyptic number.

2154255 is a deficient number, since it is larger than the sum of its proper divisors (1292577).

2154255 is a wasteful number, since it uses less digits than its factorization.

2154255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143625.

The product of its digits is 2000, while the sum is 24.

The square root of 2154255 is about 1467.7380556489. The cubic root of 2154255 is about 129.1513756902.

Adding to 2154255 its reverse (5524512), we get a palindrome (7678767).

The spelling of 2154255 in words is "two million, one hundred fifty-four thousand, two hundred fifty-five".