14547525661 has 2 divisors, whose sum is σ = 14547525662. Its totient is φ = 14547525660.

The previous prime is 14547525637. The next prime is 14547525679. The reversal of 14547525661 is 16652574541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12740765625 + 1806760036 = 112875^2 + 42506^2 .

It is a cyclic number.

It is not a de Polignac number, because 14547525661 - 2⁹ = 14547525149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14547525631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7273762830 + 7273762831.

It is an arithmetic number, because the mean of its divisors is an integer number (7273762831).

Almost surely, 2^14547525661 is an apocalyptic number.

It is an amenable number.

14547525661 is a deficient number, since it is larger than the sum of its proper divisors (1).

14547525661 is an equidigital number, since it uses as much as digits as its factorization.

14547525661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 46.

The spelling of 14547525661 in words is "fourteen billion, five hundred forty-seven million, five hundred twenty-five thousand, six hundred sixty-one".