812307001 has 9 divisors (see below), whose sum is σ = 893211109. Its totient is φ = 738175900.

The previous prime is 812306983. The next prime is 812307007. The reversal of 812307001 is 100703218.

The square root of 812307001 is 28501.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 812307001 - 2²¹ = 810209849 is a prime.

It is a super-2 number, since 2×812307001² = 1319685327747228002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812307007) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 312216 + ... + 314806.

Almost surely, 2^812307001 is an apocalyptic number.

812307001 is the 28501-st square number.

812307001 is the 14251-st centered octagonal number.

It is an amenable number.

812307001 is a deficient number, since it is larger than the sum of its proper divisors (80904108).

812307001 is an frugal number, since it uses more digits than its factorization.

812307001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204 (or 2602 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The cubic root of 812307001 is about 933.0538991565.

The spelling of 812307001 in words is "eight hundred twelve million, three hundred seven thousand, one".