825538801 has 4 divisors (see below), whose sum is σ = 825867504. Its totient is φ = 825210100.

The previous prime is 825538787. The next prime is 825538841. The reversal of 825538801 is 108835528.

825538801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 825538801 - 2¹³ = 825530609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825538841) 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, 160555 + ... + 165616.

It is an arithmetic number, because the mean of its divisors is an integer number (206466876).

Almost surely, 2^825538801 is an apocalyptic number.

It is an amenable number.

825538801 is a deficient number, since it is larger than the sum of its proper divisors (328703).

825538801 is a wasteful number, since it uses less digits than its factorization.

825538801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328702.

The product of its (nonzero) digits is 76800, while the sum is 40.

The square root of 825538801 is about 28732.1910233104. The cubic root of 825538801 is about 938.0928591639.

The spelling of 825538801 in words is "eight hundred twenty-five million, five hundred thirty-eight thousand, eight hundred one".