170851041 has 9 divisors (see below), whose sum is σ = 246841491. Its totient is φ = 113874552.

The previous prime is 170851039. The next prime is 170851049. The reversal of 170851041 is 140158071.

The square root of 170851041 is 13071.

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

It can be written as a sum of positive squares in only one way, i.e., 170694225 + 156816 = 13065^2 + 396^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 170851041 - 2¹ = 170851039 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 170850996 and 170851014.

It is not an unprimeable number, because it can be changed into a prime (170851049) 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, 37035 + ... + 41391.

Almost surely, 2^170851041 is an apocalyptic number.

170851041 is the 13071-st square number.

170851041 is the 6536-th centered octagonal number.

It is an amenable number.

170851041 is a deficient number, since it is larger than the sum of its proper divisors (75990450).

170851041 is an frugal number, since it uses more digits than its factorization.

170851041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8720 (or 4360 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The cubic root of 170851041 is about 554.8886945041. Note that the first 3 decimals are identical.

The spelling of 170851041 in words is "one hundred seventy million, eight hundred fifty-one thousand, forty-one".