823534001 has 2 divisors, whose sum is σ = 823534002. Its totient is φ = 823534000.

The previous prime is 823533973. The next prime is 823534037. The reversal of 823534001 is 100435328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 822312976 + 1221025 = 28676^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 823534001 - 2⁶ = 823533937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (823534091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411767000 + 411767001.

It is an arithmetic number, because the mean of its divisors is an integer number (411767001).

Almost surely, 2^823534001 is an apocalyptic number.

It is an amenable number.

823534001 is a deficient number, since it is larger than the sum of its proper divisors (1).

823534001 is an equidigital number, since it uses as much as digits as its factorization.

823534001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 823534001 is about 28697.2821186955. The cubic root of 823534001 is about 937.3328653996.

Adding to 823534001 its reverse (100435328), we get a palindrome (923969329).

The spelling of 823534001 in words is "eight hundred twenty-three million, five hundred thirty-four thousand, one".