4202431 has 4 divisors (see below), whose sum is σ = 4206600. Its totient is φ = 4198264.

The previous prime is 4202413. The next prime is 4202447. The reversal of 4202431 is 1342024.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4202431 - 2¹⁵ = 4169663 is a prime.

It is a super-2 number, since 2×4202431² = 35320852619522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (1051650).

Almost surely, 2^4202431 is an apocalyptic number.

4202431 is a deficient number, since it is larger than the sum of its proper divisors (4169).

4202431 is a wasteful number, since it uses less digits than its factorization.

4202431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4202431 is about 2049.9831706626. The cubic root of 4202431 is about 161.3739875274.

Adding to 4202431 its reverse (1342024), we get a palindrome (5544455).

The spelling of 4202431 in words is "four million, two hundred two thousand, four hundred thirty-one".