2546620051 has 2 divisors, whose sum is σ = 2546620052. Its totient is φ = 2546620050.

The previous prime is 2546620049. The next prime is 2546620057. The reversal of 2546620051 is 1500266452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2546620051 - 2¹ = 2546620049 is a prime.

Together with 2546620049, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2546619995 and 2546620022.

It is not a weakly prime, because it can be changed into another prime (2546620057) by changing a digit.

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, 1273310025 + 1273310026.

It is an arithmetic number, because the mean of its divisors is an integer number (1273310026).

Almost surely, 2^2546620051 is an apocalyptic number.

2546620051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2546620051 is an equidigital number, since it uses as much as digits as its factorization.

2546620051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2546620051 is about 50464.0471127713. The cubic root of 2546620051 is about 1365.5933232644.

The spelling of 2546620051 in words is "two billion, five hundred forty-six million, six hundred twenty thousand, fifty-one".