63135371 has 4 divisors (see below), whose sum is σ = 67991952. Its totient is φ = 58278792.

The previous prime is 63135353. The next prime is 63135379. The reversal of 63135371 is 17353136.

It is a happy number.

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

It is not a de Polignac number, because 63135371 - 2¹⁴ = 63118987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63135379) 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, 2428271 + ... + 2428296.

It is an arithmetic number, because the mean of its divisors is an integer number (16997988).

Almost surely, 2^63135371 is an apocalyptic number.

63135371 is a deficient number, since it is larger than the sum of its proper divisors (4856581).

63135371 is a wasteful number, since it uses less digits than its factorization.

63135371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856580.

The product of its digits is 5670, while the sum is 29.

The square root of 63135371 is about 7945.7769286584. The cubic root of 63135371 is about 398.1905163487.

The spelling of 63135371 in words is "sixty-three million, one hundred thirty-five thousand, three hundred seventy-one".