825318901 has 4 divisors (see below), whose sum is σ = 900347904. Its totient is φ = 750289900.

The previous prime is 825318841. The next prime is 825318911. The reversal of 825318901 is 109813528.

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 825318901 - 2¹¹ = 825316853 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 (825318911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37514485 + ... + 37514506.

It is an arithmetic number, because the mean of its divisors is an integer number (225086976).

Almost surely, 2^825318901 is an apocalyptic number.

It is an amenable number.

825318901 is a deficient number, since it is larger than the sum of its proper divisors (75029003).

825318901 is a wasteful number, since it uses less digits than its factorization.

825318901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75029002.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 825318901 is about 28728.3640501857. The cubic root of 825318901 is about 938.0095580364.

The spelling of 825318901 in words is "eight hundred twenty-five million, three hundred eighteen thousand, nine hundred one".