3501161 has 4 divisors (see below), whose sum is σ = 3505152. Its totient is φ = 3497172.

The previous prime is 3501139. The next prime is 3501163. The reversal of 3501161 is 1611053.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3501161 - 2⁶ = 3501097 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 (3501163) 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, 41 + ... + 2646.

It is an arithmetic number, because the mean of its divisors is an integer number (876288).

Almost surely, 2^3501161 is an apocalyptic number.

It is an amenable number.

3501161 is a deficient number, since it is larger than the sum of its proper divisors (3991).

3501161 is a wasteful number, since it uses less digits than its factorization.

3501161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 3501161 is about 1871.1389579612. The cubic root of 3501161 is about 151.8462347369.

The spelling of 3501161 in words is "three million, five hundred one thousand, one hundred sixty-one".