254252305 has 4 divisors (see below), whose sum is σ = 305102772. Its totient is φ = 203401840.

The previous prime is 254252303. The next prime is 254252311. The reversal of 254252305 is 503252452.

254252305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 181252369 + 72999936 = 13463^2 + 8544^2 .

It is not a de Polignac number, because 254252305 - 2¹ = 254252303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254252303) 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, 25425226 + ... + 25425235.

It is an arithmetic number, because the mean of its divisors is an integer number (76275693).

Almost surely, 2^254252305 is an apocalyptic number.

It is an amenable number.

254252305 is a deficient number, since it is larger than the sum of its proper divisors (50850467).

254252305 is an equidigital number, since it uses as much as digits as its factorization.

254252305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50850466.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 254252305 is about 15945.2909976582. The cubic root of 254252305 is about 633.5121758705.

It can be divided in two parts, 25425 and 2305, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 254252305 in words is "two hundred fifty-four million, two hundred fifty-two thousand, three hundred five".