2546403238 has 4 divisors (see below), whose sum is σ = 3819604860. Its totient is φ = 1273201618.

The previous prime is 2546403229. The next prime is 2546403281. The reversal of 2546403238 is 8323046452.

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

It is a junction number, because it is equal to n+sod(n) for n = 2546403197 and 2546403206.

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, 636600808 + ... + 636600811.

It is an arithmetic number, because the mean of its divisors is an integer number (954901215).

Almost surely, 2^2546403238 is an apocalyptic number.

2546403238 is a deficient number, since it is larger than the sum of its proper divisors (1273201622).

2546403238 is a wasteful number, since it uses less digits than its factorization.

2546403238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273201621.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 2546403238 is about 50461.8988742992. The cubic root of 2546403238 is about 1365.5545677398.

The spelling of 2546403238 in words is "two billion, five hundred forty-six million, four hundred three thousand, two hundred thirty-eight".