4202531 has 4 divisors (see below), whose sum is σ = 4206672. Its totient is φ = 4198392.

The previous prime is 4202521. The next prime is 4202567. The reversal of 4202531 is 1352024.

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 4202531 - 2⁶ = 4202467 is a prime.

It is a super-2 number, since 2×4202531² = 35322533611922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4¹¹ + 2 + 0 + 2¹³ + 5 + 3³ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4202501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605 + ... + 2961.

It is an arithmetic number, because the mean of its divisors is an integer number (1051668).

Almost surely, 2^4202531 is an apocalyptic number.

4202531 is a deficient number, since it is larger than the sum of its proper divisors (4141).

4202531 is a wasteful number, since it uses less digits than its factorization.

4202531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4202531 is about 2050.0075609617. The cubic root of 4202531 is about 161.3752675223.

Adding to 4202531 its reverse (1352024), we get a palindrome (5554555).

The spelling of 4202531 in words is "four million, two hundred two thousand, five hundred thirty-one".