254512 has 10 divisors (see below), whose sum is σ = 493148. Its totient is φ = 127248.

The previous prime is 254491. The next prime is 254519. The reversal of 254512 is 215452.

It is a self number, because there is not a number n which added to its sum of digits gives 254512.

It is not an unprimeable number, because it can be changed into a prime (254519) by changing a digit.

254512 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, 7938 + ... + 7969.

2²⁵⁴⁵¹² is an apocalyptic number.

It is an amenable number.

254512 is a deficient number, since it is larger than the sum of its proper divisors (238636).

254512 is a wasteful number, since it uses less digits than its factorization.

254512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15915 (or 15909 counting only the distinct ones).

The product of its digits is 400, while the sum is 19.

The square root of 254512 is about 504.4918235215. The cubic root of 254512 is about 63.3727793663.

Adding to 254512 its reverse (215452), we get a palindrome (469964).

Subtracting from 254512 its reverse (215452), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 254512 in words is "two hundred fifty-four thousand, five hundred twelve".