2546421307 has 2 divisors, whose sum is σ = 2546421308. Its totient is φ = 2546421306.

The previous prime is 2546421301. The next prime is 2546421337. The reversal of 2546421307 is 7031246452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2546421307 - 2¹⁹ = 2545897019 is a prime.

It is a super-2 number, since 2×2546421307² = 12968522945487176498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2546421301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273210653 + 1273210654.

It is an arithmetic number, because the mean of its divisors is an integer number (1273210654).

Almost surely, 2^2546421307 is an apocalyptic number.

2546421307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2546421307 is an equidigital number, since it uses as much as digits as its factorization.

2546421307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 2546421307 is about 50462.0779100504. The cubic root of 2546421307 is about 1365.5577976743.

Adding to 2546421307 its reverse (7031246452), we get a palindrome (9577667759).

The spelling of 2546421307 in words is "two billion, five hundred forty-six million, four hundred twenty-one thousand, three hundred seven".