3512752921 has 8 divisors (see below), whose sum is σ = 3580251840. Its totient is φ = 3445299312.

The previous prime is 3512752913. The next prime is 3512752963. The reversal of 3512752921 is 1292572153.

It is a happy number.

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 3512752921 - 2³ = 3512752913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3512752981) 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, 173970 + ... + 193108.

It is an arithmetic number, because the mean of its divisors is an integer number (447531480).

Almost surely, 2^3512752921 is an apocalyptic number.

It is an amenable number.

3512752921 is a deficient number, since it is larger than the sum of its proper divisors (67498919).

3512752921 is a wasteful number, since it uses less digits than its factorization.

3512752921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22655.

The product of its digits is 37800, while the sum is 37.

The square root of 3512752921 is about 59268.4816829316. The cubic root of 3512752921 is about 1520.1363164045.

The spelling of 3512752921 in words is "three billion, five hundred twelve million, seven hundred fifty-two thousand, nine hundred twenty-one".