2562000391 has 2 divisors, whose sum is σ = 2562000392. Its totient is φ = 2562000390.

The previous prime is 2562000367. The next prime is 2562000401. The reversal of 2562000391 is 1930002652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2562000391 - 2⁹ = 2561999879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2562000341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281000195 + 1281000196.

It is an arithmetic number, because the mean of its divisors is an integer number (1281000196).

Almost surely, 2^2562000391 is an apocalyptic number.

2562000391 is the 32013-rd centered pentagonal number.

2562000391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2562000391 is an equidigital number, since it uses as much as digits as its factorization.

2562000391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2562000391 is about 50616.2068017745. The cubic root of 2562000391 is about 1368.3369792080.

The spelling of 2562000391 in words is "two billion, five hundred sixty-two million, three hundred ninety-one", and thus it is an aban number.