254780 has 12 divisors (see below), whose sum is σ = 535080. Its totient is φ = 101904.

The previous prime is 254777. The next prime is 254783. The reversal of 254780 is 87452.

It is an interprime number because it is at equal distance from previous prime (254777) and next prime (254783).

It is a zygodrome in base 2.

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 254780.

It is not an unprimeable number, because it can be changed into a prime (254783) 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 3 ways as a sum of consecutive naturals, for example, 6350 + ... + 6389.

It is an arithmetic number, because the mean of its divisors is an integer number (44590).

2²⁵⁴⁷⁸⁰ is an apocalyptic number.

254780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254780 is an abundant number, since it is smaller than the sum of its proper divisors (280300).

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

254780 is a wasteful number, since it uses less digits than its factorization.

254780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748 (or 12746 counting only the distinct ones).

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

The square root of 254780 is about 504.7573674549. The cubic root of 254780 is about 63.3950153146.

The spelling of 254780 in words is "two hundred fifty-four thousand, seven hundred eighty".