3261021252 has 96 divisors (see below), whose sum is σ = 7864881024. Its totient is φ = 1051315200.

The previous prime is 3261021241. The next prime is 3261021287. The reversal of 3261021252 is 2521201623.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18016602 + ... + 18016782.

It is an arithmetic number, because the mean of its divisors is an integer number (81925844).

Almost surely, 2^3261021252 is an apocalyptic number.

It is an amenable number.

3261021252 is an abundant number, since it is smaller than the sum of its proper divisors (4603859772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3261021252 is a wasteful number, since it uses less digits than its factorization.

3261021252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3261021252 is about 57105.3522185093. The cubic root of 3261021252 is about 1482.9205253606.

Adding to 3261021252 its reverse (2521201623), we get a palindrome (5782222875).

The spelling of 3261021252 in words is "three billion, two hundred sixty-one million, twenty-one thousand, two hundred fifty-two".