63540253 has 8 divisors (see below), whose sum is σ = 73537280. Its totient is φ = 53773200.

The previous prime is 63540241. The next prime is 63540263. The reversal of 63540253 is 35204536.

63540253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63540253 - 2⁹ = 63539741 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 (63540263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56898 + ... + 58003.

It is an arithmetic number, because the mean of its divisors is an integer number (9192160).

Almost surely, 2^63540253 is an apocalyptic number.

It is an amenable number.

63540253 is a deficient number, since it is larger than the sum of its proper divisors (9997027).

63540253 is a wasteful number, since it uses less digits than its factorization.

63540253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114987.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 63540253 is about 7971.2140229704. The cubic root of 63540253 is about 399.0398910709.

Adding to 63540253 its reverse (35204536), we get a palindrome (98744789).

The spelling of 63540253 in words is "sixty-three million, five hundred forty thousand, two hundred fifty-three".