3254521620 has 192 divisors, whose sum is σ = 10928332800. Its totient is φ = 707553792.

The previous prime is 3254521619. The next prime is 3254521649. The reversal of 3254521620 is 261254523.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1921494 + ... + 1923186.

It is an arithmetic number, because the mean of its divisors is an integer number (56918400).

Almost surely, 2^3254521620 is an apocalyptic number.

3254521620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3254521620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5464166400).

3254521620 is an abundant number, since it is smaller than the sum of its proper divisors (7673811180).

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

3254521620 is a wasteful number, since it uses less digits than its factorization.

3254521620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934 (or 1932 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 3254521620 is about 57048.4147019004. The cubic root of 3254521620 is about 1481.9346533898.

The spelling of 3254521620 in words is "three billion, two hundred fifty-four million, five hundred twenty-one thousand, six hundred twenty".