353552421 has 8 divisors (see below), whose sum is σ = 472016160. Its totient is φ = 235395152.

The previous prime is 353552393. The next prime is 353552443. The reversal of 353552421 is 124255353.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 353552421 - 2¹⁵ = 353519653 is a prime.

It is a super-2 number, since 2×353552421² = 249998628789922482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353552491) 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 7 ways as a sum of consecutive naturals, for example, 73911 + ... + 78548.

It is an arithmetic number, because the mean of its divisors is an integer number (59002020).

Almost surely, 2^353552421 is an apocalyptic number.

It is an amenable number.

353552421 is a deficient number, since it is larger than the sum of its proper divisors (118463739).

353552421 is a wasteful number, since it uses less digits than its factorization.

353552421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153235.

The product of its digits is 18000, while the sum is 30.

The square root of 353552421 is about 18802.9896824946. The cubic root of 353552421 is about 707.1061347904.

The spelling of 353552421 in words is "three hundred fifty-three million, five hundred fifty-two thousand, four hundred twenty-one".