254335493 has 4 divisors (see below), whose sum is σ = 254576268. Its totient is φ = 254094720.

The previous prime is 254335451. The next prime is 254335507. The reversal of 254335493 is 394533452.

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 85803169 + 168532324 = 9263^2 + 12982^2 .

It is a cyclic number.

It is not a de Polignac number, because 254335493 - 2¹⁰ = 254334469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254335093) by changing a digit.

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, 118796 + ... + 120917.

It is an arithmetic number, because the mean of its divisors is an integer number (63644067).

Almost surely, 2^254335493 is an apocalyptic number.

It is an amenable number.

254335493 is a deficient number, since it is larger than the sum of its proper divisors (240775).

254335493 is a wasteful number, since it uses less digits than its factorization.

254335493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240774.

The product of its digits is 194400, while the sum is 38.

The square root of 254335493 is about 15947.8993287517. The cubic root of 254335493 is about 633.5812606120.

The spelling of 254335493 in words is "two hundred fifty-four million, three hundred thirty-five thousand, four hundred ninety-three".