3512523021 has 8 divisors (see below), whose sum is σ = 5352416064. Its totient is φ = 2007156000.

The previous prime is 3512522977. The next prime is 3512523031. The reversal of 3512523021 is 1203252153.

It is a happy number.

3512523021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3512523021 - 2⁹ = 3512522509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3512522982 and 3512523000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3512523031) 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, 83631480 + ... + 83631521.

It is an arithmetic number, because the mean of its divisors is an integer number (669052008).

Almost surely, 2^3512523021 is an apocalyptic number.

It is an amenable number.

3512523021 is a deficient number, since it is larger than the sum of its proper divisors (1839893043).

3512523021 is a wasteful number, since it uses less digits than its factorization.

3512523021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167263011.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3512523021 is about 59266.5421717853. The cubic root of 3512523021 is about 1520.1031527698.

Adding to 3512523021 its reverse (1203252153), we get a palindrome (4715775174).

The spelling of 3512523021 in words is "three billion, five hundred twelve million, five hundred twenty-three thousand, twenty-one".