825077563 has 4 divisors (see below), whose sum is σ = 845201448. Its totient is φ = 804953680.

The previous prime is 825077549. The next prime is 825077573. The reversal of 825077563 is 365770528.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825077563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825077573) 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, 10061881 + ... + 10061962.

It is an arithmetic number, because the mean of its divisors is an integer number (211300362).

Almost surely, 2^825077563 is an apocalyptic number.

825077563 is a deficient number, since it is larger than the sum of its proper divisors (20123885).

825077563 is a wasteful number, since it uses less digits than its factorization.

825077563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20123884.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 825077563 is about 28724.1633994795. The cubic root of 825077563 is about 937.9181188688.

The spelling of 825077563 in words is "eight hundred twenty-five million, seventy-seven thousand, five hundred sixty-three".