4205131 has 6 divisors (see below), whose sum is σ = 4891740. Its totient is φ = 3604356.

The previous prime is 4205129. The next prime is 4205143. The reversal of 4205131 is 1315024.

It is not a de Polignac number, because 4205131 - 2¹ = 4205129 is a prime.

It is a super-2 number, since 2×4205131² = 35366253454322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4205191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42861 + ... + 42958.

It is an arithmetic number, because the mean of its divisors is an integer number (815290).

Almost surely, 2^4205131 is an apocalyptic number.

4205131 is a deficient number, since it is larger than the sum of its proper divisors (686609).

4205131 is an equidigital number, since it uses as much as digits as its factorization.

4205131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85833 (or 85826 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4205131 is about 2050.6416069123. The cubic root of 4205131 is about 161.4085402650.

The spelling of 4205131 in words is "four million, two hundred five thousand, one hundred thirty-one".