14205525457 has 2 divisors, whose sum is σ = 14205525458. Its totient is φ = 14205525456.

The previous prime is 14205525419. The next prime is 14205525463. The reversal of 14205525457 is 75452550241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14008852881 + 196672576 = 118359^2 + 14024^2 .

It is an emirp because it is prime and its reverse (75452550241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14205525457 is a prime.

It is not a weakly prime, because it can be changed into another prime (14205525497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7102762728 + 7102762729.

It is an arithmetic number, because the mean of its divisors is an integer number (7102762729).

Almost surely, 2^14205525457 is an apocalyptic number.

It is an amenable number.

14205525457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14205525457 is an equidigital number, since it uses as much as digits as its factorization.

14205525457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280000, while the sum is 40.

The spelling of 14205525457 in words is "fourteen billion, two hundred five million, five hundred twenty-five thousand, four hundred fifty-seven".