3252205721 has 8 divisors (see below), whose sum is σ = 3273109824. Its totient is φ = 3231326160.

The previous prime is 3252205703. The next prime is 3252205763. The reversal of 3252205721 is 1275022523.

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 3252205721 - 2¹⁴ = 3252189337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3252205921) 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, 311630 + ... + 321896.

It is an arithmetic number, because the mean of its divisors is an integer number (409138728).

Almost surely, 2^3252205721 is an apocalyptic number.

It is an amenable number.

3252205721 is a deficient number, since it is larger than the sum of its proper divisors (20904103).

3252205721 is a wasteful number, since it uses less digits than its factorization.

3252205721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12271.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 3252205721 is about 57028.1134266249. The cubic root of 3252205721 is about 1481.5830578999.

The spelling of 3252205721 in words is "three billion, two hundred fifty-two million, two hundred five thousand, seven hundred twenty-one".