63495653 has 4 divisors (see below), whose sum is σ = 68379948. Its totient is φ = 58611360.

The previous prime is 63495631. The next prime is 63495659. The reversal of 63495653 is 35659436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4251844 + 59243809 = 2062^2 + 7697^2 .

It is a cyclic number.

It is not a de Polignac number, because 63495653 - 2²² = 59301349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63495653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63495659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2442128 + ... + 2442153.

It is an arithmetic number, because the mean of its divisors is an integer number (17094987).

Almost surely, 2^63495653 is an apocalyptic number.

It is an amenable number.

63495653 is a deficient number, since it is larger than the sum of its proper divisors (4884295).

63495653 is a wasteful number, since it uses less digits than its factorization.

63495653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884294.

The product of its digits is 291600, while the sum is 41.

The square root of 63495653 is about 7968.4159655480. The cubic root of 63495653 is about 398.9465048893.

The spelling of 63495653 in words is "sixty-three million, four hundred ninety-five thousand, six hundred fifty-three".