352449421 has 4 divisors (see below), whose sum is σ = 358423200. Its totient is φ = 346475644.

The previous prime is 352449397. The next prime is 352449437. The reversal of 352449421 is 124944253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 352449421 - 2¹⁵ = 352416653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352449821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2986801 + ... + 2986918.

It is an arithmetic number, because the mean of its divisors is an integer number (89605800).

Almost surely, 2^352449421 is an apocalyptic number.

It is an amenable number.

352449421 is a deficient number, since it is larger than the sum of its proper divisors (5973779).

352449421 is an equidigital number, since it uses as much as digits as its factorization.

352449421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5973778.

The product of its digits is 34560, while the sum is 34.

The square root of 352449421 is about 18773.6363286392. The cubic root of 352449421 is about 706.3700340944.

The spelling of 352449421 in words is "three hundred fifty-two million, four hundred forty-nine thousand, four hundred twenty-one".