2546421133 has 2 divisors, whose sum is σ = 2546421134. Its totient is φ = 2546421132.

The previous prime is 2546421121. The next prime is 2546421139. The reversal of 2546421133 is 3311246452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2460358404 + 86062729 = 49602^2 + 9277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2546421133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2546421095 and 2546421104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2546421139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273210566 + 1273210567.

It is an arithmetic number, because the mean of its divisors is an integer number (1273210567).

Almost surely, 2^2546421133 is an apocalyptic number.

It is an amenable number.

2546421133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2546421133 is an equidigital number, since it uses as much as digits as its factorization.

2546421133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 2546421133 is about 50462.0761859835. The cubic root of 2546421133 is about 1365.5577665709.

Adding to 2546421133 its reverse (3311246452), we get a palindrome (5857667585).

The spelling of 2546421133 in words is "two billion, five hundred forty-six million, four hundred twenty-one thousand, one hundred thirty-three".