825321430 has 32 divisors (see below), whose sum is σ = 1574316000. Its totient is φ = 310643712.

The previous prime is 825321359. The next prime is 825321433. The reversal of 825321430 is 34123528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825321433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13734 + ... + 42886.

It is an arithmetic number, because the mean of its divisors is an integer number (49197375).

Almost surely, 2^825321430 is an apocalyptic number.

825321430 is a deficient number, since it is larger than the sum of its proper divisors (748994570).

825321430 is a wasteful number, since it uses less digits than its factorization.

825321430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29328.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 825321430 is about 28728.4080658849. The cubic root of 825321430 is about 938.0105161403.

Adding to 825321430 its reverse (34123528), we get a palindrome (859444958).

The spelling of 825321430 in words is "eight hundred twenty-five million, three hundred twenty-one thousand, four hundred thirty".