2565206151 has 16 divisors (see below), whose sum is σ = 3503199744. Its totient is φ = 1668752064.

The previous prime is 2565206101. The next prime is 2565206159. The reversal of 2565206151 is 1516025652.

2565206151 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2565206151 - 2⁶ = 2565206087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565206159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132450 + ... + 150576.

It is an arithmetic number, because the mean of its divisors is an integer number (218949984).

Almost surely, 2^2565206151 is an apocalyptic number.

2565206151 is a deficient number, since it is larger than the sum of its proper divisors (937993593).

2565206151 is a wasteful number, since it uses less digits than its factorization.

2565206151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19270.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 2565206151 is about 50647.8642294026. The cubic root of 2565206151 is about 1368.9074620290.

The spelling of 2565206151 in words is "two billion, five hundred sixty-five million, two hundred six thousand, one hundred fifty-one".