254115481 has 9 divisors (see below), whose sum is σ = 268513941. Its totient is φ = 240454044.

The previous prime is 254115469. The next prime is 254115497. The reversal of 254115481 is 184511452.

The square root of 254115481 is 15941.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 254115481 - 2¹⁵ = 254082713 is a prime.

It is a super-2 number, since 2×254115481² = 129149355367722722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254115181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 302460 + ... + 303298.

Almost surely, 2^254115481 is an apocalyptic number.

254115481 is the 15941-st square number.

254115481 is the 7971-st centered octagonal number.

It is an amenable number.

254115481 is a deficient number, since it is larger than the sum of its proper divisors (14398460).

254115481 is an frugal number, since it uses more digits than its factorization.

254115481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716 (or 858 counting only the distinct ones).

The product of its digits is 6400, while the sum is 31.

The cubic root of 254115481 is about 633.3985155135.

Multiplying 254115481 by its product of digits (6400), we get a square (1626339078400 = 1275280²).

The spelling of 254115481 in words is "two hundred fifty-four million, one hundred fifteen thousand, four hundred eighty-one".