825052799 has 4 divisors (see below), whose sum is σ = 845176080. Its totient is φ = 804929520.

The previous prime is 825052793. The next prime is 825052801. The reversal of 825052799 is 997250528.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 825052799 - 2¹² = 825048703 is a prime.

It is a super-2 number, since 2×825052799² = 1361424242275468802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825052793) 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, 10061579 + ... + 10061660.

It is an arithmetic number, because the mean of its divisors is an integer number (211294020).

Almost surely, 2^825052799 is an apocalyptic number.

825052799 is a deficient number, since it is larger than the sum of its proper divisors (20123281).

825052799 is a wasteful number, since it uses less digits than its factorization.

825052799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20123280.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 825052799 is about 28723.7323306008. The cubic root of 825052799 is about 937.9087351706.

The spelling of 825052799 in words is "eight hundred twenty-five million, fifty-two thousand, seven hundred ninety-nine".