63252505 has 4 divisors (see below), whose sum is σ = 75903012. Its totient is φ = 50602000.

The previous prime is 63252491. The next prime is 63252517. The reversal of 63252505 is 50525236.

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 11943936 + 51308569 = 3456^2 + 7163^2 .

It is not a de Polignac number, because 63252505 - 2¹⁹ = 62728217 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6325246 + ... + 6325255.

It is an arithmetic number, because the mean of its divisors is an integer number (18975753).

Almost surely, 2^63252505 is an apocalyptic number.

It is an amenable number.

63252505 is a deficient number, since it is larger than the sum of its proper divisors (12650507).

63252505 is a wasteful number, since it uses less digits than its factorization.

63252505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12650506.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 63252505 is about 7953.1443467348. The cubic root of 63252505 is about 398.4366162892.

The spelling of 63252505 in words is "sixty-three million, two hundred fifty-two thousand, five hundred five".