254412289 has 4 divisors (see below), whose sum is σ = 255053524. Its totient is φ = 253771056.

The previous prime is 254412271. The next prime is 254412313. The reversal of 254412289 is 982214452.

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 116467264 + 137945025 = 10792^2 + 11745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254412289 is a prime.

It is a super-2 number, since 2×254412289² = 129451225588439042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254412239) 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, 320022 + ... + 320815.

It is an arithmetic number, because the mean of its divisors is an integer number (63763381).

Almost surely, 2^254412289 is an apocalyptic number.

It is an amenable number.

254412289 is a deficient number, since it is larger than the sum of its proper divisors (641235).

254412289 is an equidigital number, since it uses as much as digits as its factorization.

254412289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641234.

The product of its digits is 46080, while the sum is 37.

The square root of 254412289 is about 15950.3068622519. The cubic root of 254412289 is about 633.6450236486.

It can be divided in two parts, 25441 and 2289, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 254412289 in words is "two hundred fifty-four million, four hundred twelve thousand, two hundred eighty-nine".