63528893 has 4 divisors (see below), whose sum is σ = 63553248. Its totient is φ = 63504540.

The previous prime is 63528863. The next prime is 63528911. The reversal of 63528893 is 39882536.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63528893 - 2¹⁰ = 63527869 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 (63528863) 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, 7721 + ... + 13662.

It is an arithmetic number, because the mean of its divisors is an integer number (15888312).

Almost surely, 2^63528893 is an apocalyptic number.

It is an amenable number.

63528893 is a deficient number, since it is larger than the sum of its proper divisors (24355).

63528893 is a wasteful number, since it uses less digits than its factorization.

63528893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24354.

The product of its digits is 311040, while the sum is 44.

The square root of 63528893 is about 7970.5014271374. The cubic root of 63528893 is about 399.0161089637.

The spelling of 63528893 in words is "sixty-three million, five hundred twenty-eight thousand, eight hundred ninety-three".