825000638323 has 4 divisors (see below), whose sum is σ = 825002912448. Its totient is φ = 824998364200.

The previous prime is 825000638281. The next prime is 825000638347. The reversal of 825000638323 is 323836000528.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825000638323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825000608323) 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, 457528 + ... + 1363573.

It is an arithmetic number, because the mean of its divisors is an integer number (206250728112).

Almost surely, 2^825000638323 is an apocalyptic number.

825000638323 is a deficient number, since it is larger than the sum of its proper divisors (2274125).

825000638323 is a wasteful number, since it uses less digits than its factorization.

825000638323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274124.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 825000638323 in words is "eight hundred twenty-five billion, six hundred thirty-eight thousand, three hundred twenty-three".