845970001 has 4 divisors (see below), whose sum is σ = 846500004. Its totient is φ = 845440000.

The previous prime is 845969983. The next prime is 845970007. The reversal of 845970001 is 100079548.

It is a happy number.

845970001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 834921025 + 11048976 = 28895^2 + 3324^2 .

It is a cyclic number.

It is not a de Polignac number, because 845970001 - 2²¹ = 843872849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845970007) 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, 262600 + ... + 265801.

It is an arithmetic number, because the mean of its divisors is an integer number (211625001).

Almost surely, 2^845970001 is an apocalyptic number.

It is an amenable number.

845970001 is a deficient number, since it is larger than the sum of its proper divisors (530003).

845970001 is a wasteful number, since it uses less digits than its factorization.

845970001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530002.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 845970001 is about 29085.5634464935. The cubic root of 845970001 is about 945.7688100800.

The spelling of 845970001 in words is "eight hundred forty-five million, nine hundred seventy thousand, one".