170914213 has 4 divisors (see below), whose sum is σ = 172161900. Its totient is φ = 169666528.

The previous prime is 170914201. The next prime is 170914217. The reversal of 170914213 is 312419071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312419071 = 19 ⋅16443109.

It can be written as a sum of positive squares in 2 ways, for example, as 123276609 + 47637604 = 11103^2 + 6902^2 .

It is a cyclic number.

It is not a de Polignac number, because 170914213 - 2¹⁷ = 170783141 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 (170914217) 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, 623638 + ... + 623911.

It is an arithmetic number, because the mean of its divisors is an integer number (43040475).

Almost surely, 2^170914213 is an apocalyptic number.

It is an amenable number.

170914213 is a deficient number, since it is larger than the sum of its proper divisors (1247687).

170914213 is a wasteful number, since it uses less digits than its factorization.

170914213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247686.

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

The square root of 170914213 is about 13073.4162711971. The cubic root of 170914213 is about 554.9570759217.

The spelling of 170914213 in words is "one hundred seventy million, nine hundred fourteen thousand, two hundred thirteen".