254536 has 8 divisors (see below), whose sum is σ = 477270. Its totient is φ = 127264.

The previous prime is 254519. The next prime is 254537. The reversal of 254536 is 635452.

It can be written as a sum of positive squares in only one way, i.e., 168100 + 86436 = 410^2 + 294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 254536.

It is not an unprimeable number, because it can be changed into a prime (254537) by changing a digit.

254536 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 as a sum of consecutive naturals, namely, 15901 + ... + 15916.

2²⁵⁴⁵³⁶ is an apocalyptic number.

It is an amenable number.

254536 is a deficient number, since it is larger than the sum of its proper divisors (222734).

254536 is a wasteful number, since it uses less digits than its factorization.

254536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31823 (or 31819 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 254536 is about 504.5156092729. The cubic root of 254536 is about 63.3747712814.

Adding to 254536 its reverse (635452), we get a palindrome (889988).

The spelling of 254536 in words is "two hundred fifty-four thousand, five hundred thirty-six".