254541009 has 4 divisors (see below), whose sum is σ = 339388016. Its totient is φ = 169694004.

The previous prime is 254540971. The next prime is 254541011. The reversal of 254541009 is 900145452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 254541009 - 2⁸ = 254540753 is a prime.

It is a super-2 number, since 2×254541009² = 129582250525476162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254541029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42423499 + ... + 42423504.

It is an arithmetic number, because the mean of its divisors is an integer number (84847004).

Almost surely, 2^254541009 is an apocalyptic number.

It is an amenable number.

254541009 is a deficient number, since it is larger than the sum of its proper divisors (84847007).

254541009 is an equidigital number, since it uses as much as digits as its factorization.

254541009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84847006.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 254541009 is about 15954.3413840873. The cubic root of 254541009 is about 633.7518699492.

The spelling of 254541009 in words is "two hundred fifty-four million, five hundred forty-one thousand, nine".