63256523 has 16 divisors (see below), whose sum is σ = 71964672. Its totient is φ = 55080000.

The previous prime is 63256517. The next prime is 63256553. The reversal of 63256523 is 32565236.

It is a cyclic number.

It is not a de Polignac number, because 63256523 - 2¹⁴ = 63240139 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63256523.

It is not an unprimeable number, because it can be changed into a prime (63256553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34223 + ... + 36023.

It is an arithmetic number, because the mean of its divisors is an integer number (4497792).

Almost surely, 2^63256523 is an apocalyptic number.

63256523 is a deficient number, since it is larger than the sum of its proper divisors (8708149).

63256523 is a wasteful number, since it uses less digits than its factorization.

63256523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946.

The product of its digits is 32400, while the sum is 32.

The square root of 63256523 is about 7953.3969472170. The cubic root of 63256523 is about 398.4450527637.

The spelling of 63256523 in words is "sixty-three million, two hundred fifty-six thousand, five hundred twenty-three".