63115255 has 8 divisors (see below), whose sum is σ = 86558112. Its totient is φ = 43279008.

The previous prime is 63115231. The next prime is 63115259. The reversal of 63115255 is 55251136.

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 63115255 - 2⁹ = 63114743 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 (63115259) 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 in 7 ways as a sum of consecutive naturals, for example, 901612 + ... + 901681.

It is an arithmetic number, because the mean of its divisors is an integer number (10819764).

Almost surely, 2^63115255 is an apocalyptic number.

63115255 is a deficient number, since it is larger than the sum of its proper divisors (23442857).

63115255 is a wasteful number, since it uses less digits than its factorization.

63115255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803305.

The product of its digits is 4500, while the sum is 28.

The square root of 63115255 is about 7944.5109981672. The cubic root of 63115255 is about 398.1482217724.

The spelling of 63115255 in words is "sixty-three million, one hundred fifteen thousand, two hundred fifty-five".