171265013 has 8 divisors (see below), whose sum is σ = 172730880. Its totient is φ = 169804720.

The previous prime is 171265007. The next prime is 171265033. The reversal of 171265013 is 310562171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 171265013 - 2⁴ = 171264997 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 (171265033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78923 + ... + 81063.

It is an arithmetic number, because the mean of its divisors is an integer number (21591360).

Almost surely, 2^171265013 is an apocalyptic number.

It is an amenable number.

171265013 is a deficient number, since it is larger than the sum of its proper divisors (1465867).

171265013 is a wasteful number, since it uses less digits than its factorization.

171265013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 171265013 is about 13086.8259329755. The cubic root of 171265013 is about 555.3364980466.

The spelling of 171265013 in words is "one hundred seventy-one million, two hundred sixty-five thousand, thirteen".