2555528069 has 2 divisors, whose sum is σ = 2555528070. Its totient is φ = 2555528068.

The previous prime is 2555527979. The next prime is 2555528089. The reversal of 2555528069 is 9608255552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1430730625 + 1124797444 = 37825^2 + 33538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2555528069 is a prime.

It is a super-2 number, since 2×2555528069² = 13061447422893737522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555528089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277764034 + 1277764035.

It is an arithmetic number, because the mean of its divisors is an integer number (1277764035).

Almost surely, 2^2555528069 is an apocalyptic number.

It is an amenable number.

2555528069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555528069 is an equidigital number, since it uses as much as digits as its factorization.

2555528069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 47.

The square root of 2555528069 is about 50552.2310981424. The cubic root of 2555528069 is about 1367.1837415679.

The spelling of 2555528069 in words is "two billion, five hundred fifty-five million, five hundred twenty-eight thousand, sixty-nine".