213170007 has 4 divisors (see below), whose sum is σ = 284226680. Its totient is φ = 142113336.

The previous prime is 213169997. The next prime is 213170017. The reversal of 213170007 is 700071312.

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

It is an interprime number because it is at equal distance from previous prime (213169997) and next prime (213170017).

It is not a de Polignac number, because 213170007 - 2⁴ = 213169991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213170017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35528332 + ... + 35528337.

It is an arithmetic number, because the mean of its divisors is an integer number (71056670).

Almost surely, 2^213170007 is an apocalyptic number.

213170007 is a deficient number, since it is larger than the sum of its proper divisors (71056673).

213170007 is an equidigital number, since it uses as much as digits as its factorization.

213170007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71056672.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 213170007 is about 14600.3427014574. The cubic root of 213170007 is about 597.3681082343.

The spelling of 213170007 in words is "two hundred thirteen million, one hundred seventy thousand, seven".