254740 has 24 divisors (see below), whose sum is σ = 548352. Its totient is φ = 99360.

The previous prime is 254731. The next prime is 254741. The reversal of 254740 is 47452.

254740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254741) by changing a digit.

254740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805 + ... + 1075.

It is an arithmetic number, because the mean of its divisors is an integer number (22848).

254740 is a Friedman number, since it can be written as 5420*47, using all its digits and the basic arithmetic operations.

It is a vampire number, since it can be written as 470 ⋅ 542 (with its own digits).

2²⁵⁴⁷⁴⁰ is an apocalyptic number.

254740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254740 is an abundant number, since it is smaller than the sum of its proper divisors (293612).

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

254740 is a wasteful number, since it uses less digits than its factorization.

254740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 254740 is about 504.7177429019. The cubic root of 254740 is about 63.3916975067.

The spelling of 254740 in words is "two hundred fifty-four thousand, seven hundred forty".