254650243 has 4 divisors (see below), whose sum is σ = 261532720. Its totient is φ = 247767768.

The previous prime is 254650241. The next prime is 254650261. The reversal of 254650243 is 342056452.

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

It is a cyclic number.

It is not a de Polignac number, because 254650243 - 2¹ = 254650241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254650241) 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, 3441183 + ... + 3441256.

It is an arithmetic number, because the mean of its divisors is an integer number (65383180).

Almost surely, 2^254650243 is an apocalyptic number.

254650243 is a deficient number, since it is larger than the sum of its proper divisors (6882477).

254650243 is an equidigital number, since it uses as much as digits as its factorization.

254650243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882476.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 254650243 is about 15957.7643484293. The cubic root of 254650243 is about 633.8425133019.

The spelling of 254650243 in words is "two hundred fifty-four million, six hundred fifty thousand, two hundred forty-three".