4161431 has 4 divisors (see below), whose sum is σ = 4165512. Its totient is φ = 4157352.

The previous prime is 4161419. The next prime is 4161433. The reversal of 4161431 is 1341614.

It is a semiprime because it is the product of two primes, 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 4161431 - 2¹⁰ = 4160407 is a prime.

It is a super-2 number, since 2×4161431² = 34635015935522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161433) 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, 1001 + ... + 3053.

It is an arithmetic number, because the mean of its divisors is an integer number (1041378).

Almost surely, 2^4161431 is an apocalyptic number.

4161431 is a deficient number, since it is larger than the sum of its proper divisors (4081).

4161431 is a wasteful number, since it uses less digits than its factorization.

4161431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080.

The product of its digits is 288, while the sum is 20.

The square root of 4161431 is about 2039.9585780108. The cubic root of 4161431 is about 160.8474694428.

The spelling of 4161431 in words is "four million, one hundred sixty-one thousand, four hundred thirty-one".