254021043 has 4 divisors (see below), whose sum is σ = 338694728. Its totient is φ = 169347360.

The previous prime is 254020999. The next prime is 254021057. The reversal of 254021043 is 340120452.

254021043 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 is not a de Polignac number, because 254021043 - 2⁶ = 254020979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254021543) 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, 42336838 + ... + 42336843.

It is an arithmetic number, because the mean of its divisors is an integer number (84673682).

Almost surely, 2^254021043 is an apocalyptic number.

254021043 is a deficient number, since it is larger than the sum of its proper divisors (84673685).

254021043 is an equidigital number, since it uses as much as digits as its factorization.

254021043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84673684.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 254021043 is about 15938.0376144618. The cubic root of 254021043 is about 633.3200416109.

Adding to 254021043 its reverse (340120452), we get a palindrome (594141495).

The spelling of 254021043 in words is "two hundred fifty-four million, twenty-one thousand, forty-three".