2546403242 has 8 divisors (see below), whose sum is σ = 4044287556. Its totient is φ = 1198307392.

The previous prime is 2546403229. The next prime is 2546403281. The reversal of 2546403242 is 2423046452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2215490761 + 330912481 = 47069^2 + 18191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2546403242² = 12968338941736221128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2546403199 and 2546403208.

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 in 3 ways as a sum of consecutive naturals, for example, 37447073 + ... + 37447140.

Almost surely, 2^2546403242 is an apocalyptic number.

2546403242 is a deficient number, since it is larger than the sum of its proper divisors (1497884314).

2546403242 is a wasteful number, since it uses less digits than its factorization.

2546403242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74894232.

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 2546403242 is about 50461.8989139331. The cubic root of 2546403242 is about 1365.5545684549.

Adding to 2546403242 its reverse (2423046452), we get a palindrome (4969449694).

The spelling of 2546403242 in words is "two billion, five hundred forty-six million, four hundred three thousand, two hundred forty-two".