63495613 has 2 divisors, whose sum is σ = 63495614. Its totient is φ = 63495612.

The previous prime is 63495599. The next prime is 63495631. The reversal of 63495613 is 31659436.

Together with next prime (63495631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55756089 + 7739524 = 7467^2 + 2782^2 .

It is a cyclic number.

It is not a de Polignac number, because 63495613 - 2²⁵ = 29941181 is a prime.

It is equal to p_3756934 and since 63495613 and 3756934 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63495673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31747806 + 31747807.

It is an arithmetic number, because the mean of its divisors is an integer number (31747807).

Almost surely, 2^63495613 is an apocalyptic number.

It is an amenable number.

63495613 is a deficient number, since it is larger than the sum of its proper divisors (1).

63495613 is an equidigital number, since it uses as much as digits as its factorization.

63495613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 63495613 is about 7968.4134556385. The cubic root of 63495613 is about 398.9464211153.

The spelling of 63495613 in words is "sixty-three million, four hundred ninety-five thousand, six hundred thirteen".