254634321 has 4 divisors (see below), whose sum is σ = 339512432. Its totient is φ = 169756212.

The previous prime is 254634307. The next prime is 254634349. The reversal of 254634321 is 123436452.

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 254634321 - 2⁹ = 254633809 is a prime.

It is a super-2 number, since 2×254634321² = 129677274862262082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254632321) 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, 42439051 + ... + 42439056.

It is an arithmetic number, because the mean of its divisors is an integer number (84878108).

Almost surely, 2^254634321 is an apocalyptic number.

It is an amenable number.

254634321 is a deficient number, since it is larger than the sum of its proper divisors (84878111).

254634321 is an equidigital number, since it uses as much as digits as its factorization.

254634321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84878110.

The product of its digits is 17280, while the sum is 30.

The square root of 254634321 is about 15957.2654612249. The cubic root of 254634321 is about 633.8293026976.

The spelling of 254634321 in words is "two hundred fifty-four million, six hundred thirty-four thousand, three hundred twenty-one".