2043450254 has 4 divisors (see below), whose sum is σ = 3065175384. Its totient is φ = 1021725126.

The previous prime is 2043450179. The next prime is 2043450263. The reversal of 2043450254 is 4520543402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4520543402 = 2 ⋅2260271701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510862562 + ... + 510862565.

It is an arithmetic number, because the mean of its divisors is an integer number (766293846).

Almost surely, 2^2043450254 is an apocalyptic number.

2043450254 is a deficient number, since it is larger than the sum of its proper divisors (1021725130).

2043450254 is a wasteful number, since it uses less digits than its factorization.

2043450254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021725129.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2043450254 is about 45204.5379801630. The cubic root of 2043450254 is about 1268.9797443840.

Adding to 2043450254 its reverse (4520543402), we get a palindrome (6563993656).

The spelling of 2043450254 in words is "two billion, forty-three million, four hundred fifty thousand, two hundred fifty-four".