65425627517 has 2 divisors, whose sum is σ = 65425627518. Its totient is φ = 65425627516.

The previous prime is 65425627507. The next prime is 65425627537. The reversal of 65425627517 is 71572652456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56860310116 + 8565317401 = 238454^2 + 92549^2 .

It is a cyclic number.

It is not a de Polignac number, because 65425627517 - 2⁸ = 65425627261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65425627507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32712813758 + 32712813759.

It is an arithmetic number, because the mean of its divisors is an integer number (32712813759).

Almost surely, 2^65425627517 is an apocalyptic number.

It is an amenable number.

65425627517 is a deficient number, since it is larger than the sum of its proper divisors (1).

65425627517 is an equidigital number, since it uses as much as digits as its factorization.

65425627517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528000, while the sum is 50.

The spelling of 65425627517 in words is "sixty-five billion, four hundred twenty-five million, six hundred twenty-seven thousand, five hundred seventeen".