21359352 has 32 divisors (see below), whose sum is σ = 61027200. Its totient is φ = 6102624.

The previous prime is 21359329. The next prime is 21359353. The reversal of 21359352 is 25395312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21359353) 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, 63402 + ... + 63737.

It is an arithmetic number, because the mean of its divisors is an integer number (1907100).

Almost surely, 2^21359352 is an apocalyptic number.

It is an amenable number.

21359352 is an abundant number, since it is smaller than the sum of its proper divisors (39667848).

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

21359352 is a wasteful number, since it uses less digits than its factorization.

21359352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127155 (or 127151 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 21359352 is about 4621.6178985286. The cubic root of 21359352 is about 277.4572160321.

The spelling of 21359352 in words is "twenty-one million, three hundred fifty-nine thousand, three hundred fifty-two".