4131252 has 18 divisors (see below), whose sum is σ = 10442978. Its totient is φ = 1377072.

The previous prime is 4131241. The next prime is 4131293. The reversal of 4131252 is 2521314.

4131252 is a `hidden beast` number, since 413 + 1 + 252 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3663396 + 467856 = 1914^2 + 684^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57343 + ... + 57414.

Almost surely, 2^4131252 is an apocalyptic number.

It is an amenable number.

4131252 is an abundant number, since it is smaller than the sum of its proper divisors (6311726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4131252 is a wasteful number, since it uses less digits than its factorization.

4131252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114767 (or 114762 counting only the distinct ones).

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

The square root of 4131252 is about 2032.5481544111. The cubic root of 4131252 is about 160.4576998609.

Adding to 4131252 its reverse (2521314), we get a palindrome (6652566).

The spelling of 4131252 in words is "four million, one hundred thirty-one thousand, two hundred fifty-two".