254870 has 32 divisors (see below), whose sum is σ = 573696. Its totient is φ = 79200.

The previous prime is 254869. The next prime is 254873. The reversal of 254870 is 78452.

254870 = 100² + 101² + ... + 120².

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254870.

It is not an unprimeable number, because it can be changed into a prime (254873) 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 in 15 ways as a sum of consecutive naturals, for example, 605 + ... + 935.

It is an arithmetic number, because the mean of its divisors is an integer number (17928).

2²⁵⁴⁸⁷⁰ is an apocalyptic number.

254870 is an abundant number, since it is smaller than the sum of its proper divisors (318826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254870 is a wasteful number, since it uses less digits than its factorization.

254870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 254870 is about 504.8465113279. The cubic root of 254870 is about 63.4024791131.

Multiplying 254870 by its sum of digits (26), we get a triangular number (6626620 = T₃₆₄₀).

It can be divided in two parts, 2 and 54870, that added together give a cube (54872 = 38³).

The spelling of 254870 in words is "two hundred fifty-four thousand, eight hundred seventy".