254738493 has 32 divisors (see below), whose sum is σ = 387953280. Its totient is φ = 165110400.

The previous prime is 254738483. The next prime is 254738513. The reversal of 254738493 is 394837452.

254738493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 254738493 - 2⁵ = 254738461 is a prime.

It is a super-2 number, since 2×254738493² = 129783399631822098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254738483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363043 + ... + 363743.

It is an arithmetic number, because the mean of its divisors is an integer number (12123540).

Almost surely, 2^254738493 is an apocalyptic number.

It is an amenable number.

254738493 is a deficient number, since it is larger than the sum of its proper divisors (133214787).

254738493 is a wasteful number, since it uses less digits than its factorization.

254738493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1060 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 254738493 is about 15960.5292205490. The cubic root of 254738493 is about 633.9157250147.

The spelling of 254738493 in words is "two hundred fifty-four million, seven hundred thirty-eight thousand, four hundred ninety-three".