825752525001 has 4 divisors (see below), whose sum is σ = 1101003366672. Its totient is φ = 550501683332.

The previous prime is 825752524991. The next prime is 825752525021. The reversal of 825752525001 is 100525257528.

It is a happy number.

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 825752525001 - 2⁶ = 825752524937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (825752525021) 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, 137625420831 + ... + 137625420836.

It is an arithmetic number, because the mean of its divisors is an integer number (275250841668).

Almost surely, 2^825752525001 is an apocalyptic number.

It is an amenable number.

825752525001 is a deficient number, since it is larger than the sum of its proper divisors (275250841671).

825752525001 is a wasteful number, since it uses less digits than its factorization.

825752525001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275250841670.

The product of its (nonzero) digits is 280000, while the sum is 42.

The spelling of 825752525001 in words is "eight hundred twenty-five billion, seven hundred fifty-two million, five hundred twenty-five thousand, one".