4025531 has 8 divisors (see below), whose sum is σ = 4150080. Its totient is φ = 3902472.

The previous prime is 4025521. The next prime is 4025543. The reversal of 4025531 is 1355204.

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 4025531 - 2¹⁰ = 4024507 is a prime.

It is a super-2 number, since 2×4025531² = 32409799663922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4025501) 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, 7436 + ... + 7958.

It is an arithmetic number, because the mean of its divisors is an integer number (518760).

Almost surely, 2^4025531 is an apocalyptic number.

4025531 is a deficient number, since it is larger than the sum of its proper divisors (124549).

4025531 is a wasteful number, since it uses less digits than its factorization.

4025531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 4025531 is about 2006.3725975003. The cubic root of 4025531 is about 159.0771219815.

The spelling of 4025531 in words is "four million, twenty-five thousand, five hundred thirty-one".