63253613 has 8 divisors (see below), whose sum is σ = 63750048. Its totient is φ = 62759664.

The previous prime is 63253607. The next prime is 63253621. The reversal of 63253613 is 31635236.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63253613 - 2¹⁰ = 63252589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63253213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112070 + ... + 112632.

It is an arithmetic number, because the mean of its divisors is an integer number (7968756).

Almost surely, 2^63253613 is an apocalyptic number.

It is an amenable number.

63253613 is a deficient number, since it is larger than the sum of its proper divisors (496435).

63253613 is a wasteful number, since it uses less digits than its factorization.

63253613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243.

The product of its digits is 9720, while the sum is 29.

The square root of 63253613 is about 7953.2140044136. The cubic root of 63253613 is about 398.4389427594.

Adding to 63253613 its reverse (31635236), we get a palindrome (94888849).

It can be divided in two parts, 632 and 53613, that added together give a palindrome (54245).

The spelling of 63253613 in words is "sixty-three million, two hundred fifty-three thousand, six hundred thirteen".