4045131 has 6 divisors (see below), whose sum is σ = 5842980. Its totient is φ = 2696748.

The previous prime is 4045127. The next prime is 4045141. The reversal of 4045131 is 1315404.

It is a happy number.

It is not a de Polignac number, because 4045131 - 2² = 4045127 is a prime.

It is a super-2 number, since 2×4045131² = 32726169614322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4045121) 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, 224721 + ... + 224738.

It is an arithmetic number, because the mean of its divisors is an integer number (973830).

Almost surely, 2^4045131 is an apocalyptic number.

4045131 is a deficient number, since it is larger than the sum of its proper divisors (1797849).

4045131 is a wasteful number, since it uses less digits than its factorization.

4045131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449465 (or 449462 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4045131 is about 2011.2511031694. The cubic root of 4045131 is about 159.3348821746.

The spelling of 4045131 in words is "four million, forty-five thousand, one hundred thirty-one".