254487 has 8 divisors (see below), whose sum is σ = 347760. Its totient is φ = 165440.

The previous prime is 254461. The next prime is 254489. The reversal of 254487 is 784452.

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

It is a cyclic number.

It is not a de Polignac number, because 254487 - 2¹⁴ = 238103 is a prime.

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 254487.

It is not an unprimeable number, because it can be changed into a prime (254489) 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, 912 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (43470).

2²⁵⁴⁴⁸⁷ is an apocalyptic number.

254487 is a deficient number, since it is larger than the sum of its proper divisors (93273).

254487 is a wasteful number, since it uses less digits than its factorization.

254487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113.

The product of its digits is 8960, while the sum is 30.

The square root of 254487 is about 504.4670455045. The cubic root of 254487 is about 63.3707043216.

It can be divided in two parts, 254 and 487, that added together give a triangular number (741 = T₃₈).

The spelling of 254487 in words is "two hundred fifty-four thousand, four hundred eighty-seven".