352521036 has 72 divisors (see below), whose sum is σ = 1033643520. Its totient is φ = 99212256.

The previous prime is 352521031. The next prime is 352521053. The reversal of 352521036 is 630125253.

It is not an unprimeable number, because it can be changed into a prime (352521031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6445 + ... + 27323.

It is an arithmetic number, because the mean of its divisors is an integer number (14356160).

Almost surely, 2^352521036 is an apocalyptic number.

352521036 is a gapful number since it is divisible by the number (36) 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 352521036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516821760).

352521036 is an abundant number, since it is smaller than the sum of its proper divisors (681122484).

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

352521036 is a wasteful number, since it uses less digits than its factorization.

352521036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20963 (or 20958 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 352521036 is about 18775.5435607068. The cubic root of 352521036 is about 706.4178738327.

Adding to 352521036 its reverse (630125253), we get a palindrome (982646289).

The spelling of 352521036 in words is "three hundred fifty-two million, five hundred twenty-one thousand, thirty-six".