4125531 has 8 divisors (see below), whose sum is σ = 5533200. Its totient is φ = 2734112.

The previous prime is 4125521. The next prime is 4125551. The reversal of 4125531 is 1355214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4125531 - 2⁷ = 4125403 is a prime.

It is a super-2 number, since 2×4125531² = 34040012063922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4125498 and 4125507.

It is not an unprimeable number, because it can be changed into a prime (4125521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3456 + ... + 4493.

It is an arithmetic number, because the mean of its divisors is an integer number (691650).

Almost surely, 2^4125531 is an apocalyptic number.

4125531 is a deficient number, since it is larger than the sum of its proper divisors (1407669).

4125531 is a wasteful number, since it uses less digits than its factorization.

4125531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125.

The product of its digits is 600, while the sum is 21.

The square root of 4125531 is about 2031.1403201158. The cubic root of 4125531 is about 160.3835978236.

It can be divided in two parts, 4125 and 531, that added together give a triangular number (4656 = T₉₆).

The spelling of 4125531 in words is "four million, one hundred twenty-five thousand, five hundred thirty-one".