4170081 has 4 divisors (see below), whose sum is σ = 5560112. Its totient is φ = 2780052.

The previous prime is 4170079. The next prime is 4170091. The reversal of 4170081 is 1800714.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4170081 - 2¹ = 4170079 is a prime.

It is a super-2 number, since 2×4170081² = 34779151093122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4170031) 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, 695011 + ... + 695016.

It is an arithmetic number, because the mean of its divisors is an integer number (1390028).

Almost surely, 2^4170081 is an apocalyptic number.

It is an amenable number.

4170081 is a deficient number, since it is larger than the sum of its proper divisors (1390031).

4170081 is a wasteful number, since it uses less digits than its factorization.

4170081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390030.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 4170081 is about 2042.0776185052. The cubic root of 4170081 is about 160.9588388019.

Adding to 4170081 its reverse (1800714), we get a palindrome (5970795).

The spelling of 4170081 in words is "four million, one hundred seventy thousand, eighty-one".