4132531 has 4 divisors (see below), whose sum is σ = 4450432. Its totient is φ = 3814632.

The previous prime is 4132511. The next prime is 4132553. The reversal of 4132531 is 1352314.

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 4132531 - 2²¹ = 2035379 is a prime.

It is a super-2 number, since 2×4132531² = 34155624931922, 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 = 4132499 and 4132508.

It is not an unprimeable number, because it can be changed into a prime (4132511) 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, 158931 + ... + 158956.

It is an arithmetic number, because the mean of its divisors is an integer number (1112608).

Almost surely, 2^4132531 is an apocalyptic number.

4132531 is a deficient number, since it is larger than the sum of its proper divisors (317901).

4132531 is a wasteful number, since it uses less digits than its factorization.

4132531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317900.

The product of its digits is 360, while the sum is 19.

The square root of 4132531 is about 2032.8627597553. The cubic root of 4132531 is about 160.4742569259.

Adding to 4132531 its reverse (1352314), we get a palindrome (5484845).

The spelling of 4132531 in words is "four million, one hundred thirty-two thousand, five hundred thirty-one".