4270161 has 8 divisors (see below), whose sum is σ = 6506944. Its totient is φ = 2440080.

The previous prime is 4270139. The next prime is 4270169. The reversal of 4270161 is 1610724.

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

It is not a de Polignac number, because 4270161 - 2¹⁰ = 4269137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 203341 = 4270161 / (4 + 2 + 7 + 0 + 1 + 6 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4270169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101650 + ... + 101691.

It is an arithmetic number, because the mean of its divisors is an integer number (813368).

Almost surely, 2^4270161 is an apocalyptic number.

It is an amenable number.

4270161 is a deficient number, since it is larger than the sum of its proper divisors (2236783).

4270161 is a wasteful number, since it uses less digits than its factorization.

4270161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203351.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 4270161 is about 2066.4367882904. The cubic root of 4270161 is about 162.2363187190.

Adding to 4270161 its reverse (1610724), we get a palindrome (5880885).

The spelling of 4270161 in words is "four million, two hundred seventy thousand, one hundred sixty-one".