4052431 has 4 divisors (see below), whose sum is σ = 4192200. Its totient is φ = 3912664.

The previous prime is 4052429. The next prime is 4052441. The reversal of 4052431 is 1342504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4052431 - 2¹ = 4052429 is a prime.

It is a super-2 number, since 2×4052431² = 32844394019522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4052399 and 4052408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4052401) 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, 69841 + ... + 69898.

It is an arithmetic number, because the mean of its divisors is an integer number (1048050).

Almost surely, 2^4052431 is an apocalyptic number.

4052431 is a deficient number, since it is larger than the sum of its proper divisors (139769).

4052431 is a wasteful number, since it uses less digits than its factorization.

4052431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139768.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4052431 is about 2013.0650759476. The cubic root of 4052431 is about 159.4306718746.

Adding to 4052431 its reverse (1342504), we get a palindrome (5394935).

The spelling of 4052431 in words is "four million, fifty-two thousand, four hundred thirty-one".