63255523 has 4 divisors (see below), whose sum is σ = 63392608. Its totient is φ = 63118440.

The previous prime is 63255509. The next prime is 63255529. The reversal of 63255523 is 32555236.

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

It is a cyclic number.

It is not a de Polignac number, because 63255523 - 2²¹ = 61158371 is a prime.

It is a super-2 number, since 2×63255523² = 8002522380007058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63255529) 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, 67848 + ... + 68773.

It is an arithmetic number, because the mean of its divisors is an integer number (15848152).

Almost surely, 2^63255523 is an apocalyptic number.

63255523 is a deficient number, since it is larger than the sum of its proper divisors (137085).

63255523 is a wasteful number, since it uses less digits than its factorization.

63255523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137084.

The product of its digits is 27000, while the sum is 31.

The square root of 63255523 is about 7953.3340807488. The cubic root of 63255523 is about 398.4429531270.

The spelling of 63255523 in words is "sixty-three million, two hundred fifty-five thousand, five hundred twenty-three".