260525525069 has 2 divisors, whose sum is σ = 260525525070. Its totient is φ = 260525525068.

The previous prime is 260525525023. The next prime is 260525525087. The reversal of 260525525069 is 960525525062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255796212169 + 4729312900 = 505763^2 + 68770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260525525069 is a prime.

It is a super-2 number, since 2×260525525069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260525525009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130262762534 + 130262762535.

It is an arithmetic number, because the mean of its divisors is an integer number (130262762535).

Almost surely, 2^260525525069 is an apocalyptic number.

It is an amenable number.

260525525069 is a deficient number, since it is larger than the sum of its proper divisors (1).

260525525069 is an equidigital number, since it uses as much as digits as its factorization.

260525525069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 260525525069 in words is "two hundred sixty billion, five hundred twenty-five million, five hundred twenty-five thousand, sixty-nine".