3261210552 has 64 divisors (see below), whose sum is σ = 9105972000. Its totient is φ = 1081423872.

The previous prime is 3261210529. The next prime is 3261210577. The reversal of 3261210552 is 2550121623.

It is a happy number.

3261210552 is a `hidden beast` number, since 32 + 61 + 21 + 0 + 552 = 666.

It is a super-2 number, since 2×3261210552² = 21270988528952289408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2574 + ... + 80802.

Almost surely, 2^3261210552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3261210552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4552986000).

3261210552 is an abundant number, since it is smaller than the sum of its proper divisors (5844761448).

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

3261210552 is a wasteful number, since it uses less digits than its factorization.

3261210552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78437 (or 78427 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 3261210552 is about 57107.0096573091. The cubic root of 3261210552 is about 1482.9492189714.

The spelling of 3261210552 in words is "three billion, two hundred sixty-one million, two hundred ten thousand, five hundred fifty-two".