870309001 has 3 divisors (see below), whose sum is σ = 870338503. Its totient is φ = 870279500.

The previous prime is 870308987. The next prime is 870309019. The reversal of 870309001 is 100903078.

The square root of 870309001 is 29501.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 344065401 + 526243600 = 18549^2 + 22940^2 .

It is not a de Polignac number, because 870309001 - 2¹⁵ = 870276233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870309061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14751 + ... + 44251.

Almost surely, 2^870309001 is an apocalyptic number.

870309001 is the 29501-st square number.

870309001 is the 14751-st centered octagonal number.

It is an amenable number.

870309001 is a deficient number, since it is larger than the sum of its proper divisors (29502).

870309001 is an frugal number, since it uses more digits than its factorization.

870309001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59002 (or 29501 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The cubic root of 870309001 is about 954.7532785535.

The spelling of 870309001 in words is "eight hundred seventy million, three hundred nine thousand, one".