3530312021 has 8 divisors (see below), whose sum is σ = 3900498624. Its totient is φ = 3178183360.

The previous prime is 3530312017. The next prime is 3530312041. The reversal of 3530312021 is 1202130353.

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 3530312021 - 2² = 3530312017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3530311984 and 3530312002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3530312041) 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, 4514075 + ... + 4514856.

It is an arithmetic number, because the mean of its divisors is an integer number (487562328).

Almost surely, 2^3530312021 is an apocalyptic number.

It is an amenable number.

3530312021 is a deficient number, since it is larger than the sum of its proper divisors (370186603).

3530312021 is a wasteful number, since it uses less digits than its factorization.

3530312021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028971.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3530312021 is about 59416.4288812446. The cubic root of 3530312021 is about 1522.6649953888.

Adding to 3530312021 its reverse (1202130353), we get a palindrome (4732442374).

The spelling of 3530312021 in words is "three billion, five hundred thirty million, three hundred twelve thousand, twenty-one".