254052005 has 4 divisors (see below), whose sum is σ = 304862412. Its totient is φ = 203241600.

The previous prime is 254051999. The next prime is 254052023. The reversal of 254052005 is 500250452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38725729 + 215326276 = 6223^2 + 14674^2 .

It is not a de Polignac number, because 254052005 - 2⁴ = 254051989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25405196 + ... + 25405205.

It is an arithmetic number, because the mean of its divisors is an integer number (76215603).

Almost surely, 2^254052005 is an apocalyptic number.

It is an amenable number.

254052005 is a deficient number, since it is larger than the sum of its proper divisors (50810407).

254052005 is an equidigital number, since it uses as much as digits as its factorization.

254052005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50810406.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 254052005 is about 15939.0089089629. The cubic root of 254052005 is about 633.3457718394.

It can be divided in two parts, 2540 and 52005, that added together give a palindrome (54545).

The spelling of 254052005 in words is "two hundred fifty-four million, fifty-two thousand, five".