825765382241 has 4 divisors (see below), whose sum is σ = 826304747184. Its totient is φ = 825226017300.

The previous prime is 825765382207. The next prime is 825765382243. The reversal of 825765382241 is 142283567528.

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 825765382241 - 2¹⁸ = 825765120097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825765382243) 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, 269680175 + ... + 269683236.

It is an arithmetic number, because the mean of its divisors is an integer number (206576186796).

Almost surely, 2^825765382241 is an apocalyptic number.

It is an amenable number.

825765382241 is a deficient number, since it is larger than the sum of its proper divisors (539364943).

825765382241 is a wasteful number, since it uses less digits than its factorization.

825765382241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539364942.

The product of its digits is 6451200, while the sum is 53.

The spelling of 825765382241 in words is "eight hundred twenty-five billion, seven hundred sixty-five million, three hundred eighty-two thousand, two hundred forty-one".