4380531 has 4 divisors (see below), whose sum is σ = 5840712. Its totient is φ = 2920352.

The previous prime is 4380499. The next prime is 4380547. The reversal of 4380531 is 1350834.

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 4380531 - 2⁵ = 4380499 is a prime.

It is a super-2 number, since 2×4380531² = 38378103683922, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4380031) 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, 730086 + ... + 730091.

It is an arithmetic number, because the mean of its divisors is an integer number (1460178).

Almost surely, 2^4380531 is an apocalyptic number.

4380531 is a deficient number, since it is larger than the sum of its proper divisors (1460181).

4380531 is a wasteful number, since it uses less digits than its factorization.

4380531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460180.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4380531 is about 2092.9718106081. The cubic root of 4380531 is about 163.6222094098.

The spelling of 4380531 in words is "four million, three hundred eighty thousand, five hundred thirty-one".