825775361 has 16 divisors (see below), whose sum is σ = 868063488. Its totient is φ = 784728000.

The previous prime is 825775339. The next prime is 825775439. The reversal of 825775361 is 163577528.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825775361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825775331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339596 + ... + 342018.

It is an arithmetic number, because the mean of its divisors is an integer number (54253968).

Almost surely, 2^825775361 is an apocalyptic number.

It is an amenable number.

825775361 is a deficient number, since it is larger than the sum of its proper divisors (42288127).

825775361 is a wasteful number, since it uses less digits than its factorization.

825775361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672.

The product of its digits is 352800, while the sum is 44.

The square root of 825775361 is about 28736.3073654219. The cubic root of 825775361 is about 938.1824548127.

The spelling of 825775361 in words is "eight hundred twenty-five million, seven hundred seventy-five thousand, three hundred sixty-one".