85630001 has 2 divisors, whose sum is σ = 85630002. Its totient is φ = 85630000.

The previous prime is 85629937. The next prime is 85630079. The reversal of 85630001 is 10003658.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54538225 + 31091776 = 7385^2 + 5576^2 .

It is a cyclic number.

It is not a de Polignac number, because 85630001 - 2⁶ = 85629937 is a prime.

It is not a weakly prime, because it can be changed into another prime (85630201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42815000 + 42815001.

It is an arithmetic number, because the mean of its divisors is an integer number (42815001).

Almost surely, 2^85630001 is an apocalyptic number.

It is an amenable number.

85630001 is a deficient number, since it is larger than the sum of its proper divisors (1).

85630001 is an equidigital number, since it uses as much as digits as its factorization.

85630001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 85630001 is about 9253.6479833631. The cubic root of 85630001 is about 440.7665717544.

Adding to 85630001 its reverse (10003658), we get a palindrome (95633659).

The spelling of 85630001 in words is "eighty-five million, six hundred thirty thousand, one".