2578388051 has 2 divisors, whose sum is σ = 2578388052. Its totient is φ = 2578388050.

The previous prime is 2578387961. The next prime is 2578388053. The reversal of 2578388051 is 1508838752.

2578388051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2578388051 - 2¹⁴ = 2578371667 is a prime.

It is a Sophie Germain prime.

Together with 2578388053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2578387987 and 2578388005.

It is not a weakly prime, because it can be changed into another prime (2578388053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289194025 + 1289194026.

It is an arithmetic number, because the mean of its divisors is an integer number (1289194026).

Almost surely, 2^2578388051 is an apocalyptic number.

2578388051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2578388051 is an equidigital number, since it uses as much as digits as its factorization.

2578388051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 2578388051 is about 50777.8303100871. The cubic root of 2578388051 is about 1371.2482719597.

The spelling of 2578388051 in words is "two billion, five hundred seventy-eight million, three hundred eighty-eight thousand, fifty-one".