3530023 has 4 divisors (see below), whose sum is σ = 4034320. Its totient is φ = 3025728.

The previous prime is 3530011. The next prime is 3530027. The reversal of 3530023 is 3200353.

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 3530023 - 2¹³ = 3521831 is a prime.

It is a super-2 number, since 2×3530023² = 24922124761058, which contains 22 as substring.

It is a Duffinian number.

3530023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3529979 and 3530006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3530027) 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, 252138 + ... + 252151.

It is an arithmetic number, because the mean of its divisors is an integer number (1008580).

Almost surely, 2^3530023 is an apocalyptic number.

3530023 is a deficient number, since it is larger than the sum of its proper divisors (504297).

3530023 is an equidigital number, since it uses as much as digits as its factorization.

3530023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504296.

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 3530023 is about 1878.8355436280. The cubic root of 3530023 is about 152.2623441539.

Adding to 3530023 its reverse (3200353), we get a palindrome (6730376).

The spelling of 3530023 in words is "three million, five hundred thirty thousand, twenty-three".