4091252 has 36 divisors (see below), whose sum is σ = 8043840. Its totient is φ = 1818960.

The previous prime is 4091249. The next prime is 4091257. The reversal of 4091252 is 2521904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38183 + ... + 38289.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

Almost surely, 2^4091252 is an apocalyptic number.

It is an amenable number.

4091252 is a deficient number, since it is larger than the sum of its proper divisors (3952588).

4091252 is a wasteful number, since it uses less digits than its factorization.

4091252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4091252 is about 2022.6843550095. The cubic root of 4091252 is about 159.9381531800.

It can be divided in two parts, 409 and 1252, that added together give a palindrome (1661).

The spelling of 4091252 in words is "four million, ninety-one thousand, two hundred fifty-two".