2561562151 has 2 divisors, whose sum is σ = 2561562152. Its totient is φ = 2561562150.

The previous prime is 2561562149. The next prime is 2561562247. The reversal of 2561562151 is 1512651652.

2561562151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2561562151 - 2¹ = 2561562149 is a prime.

Together with 2561562149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2561562251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280781075 + 1280781076.

It is an arithmetic number, because the mean of its divisors is an integer number (1280781076).

Almost surely, 2^2561562151 is an apocalyptic number.

2561562151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2561562151 is an equidigital number, since it uses as much as digits as its factorization.

2561562151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 34.

The square root of 2561562151 is about 50611.8775684127. The cubic root of 2561562151 is about 1368.2589549950.

The spelling of 2561562151 in words is "two billion, five hundred sixty-one million, five hundred sixty-two thousand, one hundred fifty-one".