352851421 has 16 divisors (see below), whose sum is σ = 392465920. Its totient is φ = 315161280.

The previous prime is 352851391. The next prime is 352851449. The reversal of 352851421 is 124158253.

It is a cyclic number.

It is not a de Polignac number, because 352851421 - 2⁷ = 352851293 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 (352851481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58036 + ... + 63826.

It is an arithmetic number, because the mean of its divisors is an integer number (24529120).

Almost surely, 2^352851421 is an apocalyptic number.

It is an amenable number.

352851421 is a deficient number, since it is larger than the sum of its proper divisors (39614499).

352851421 is a wasteful number, since it uses less digits than its factorization.

352851421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956.

The product of its digits is 9600, while the sum is 31.

The square root of 352851421 is about 18784.3397807855. The cubic root of 352851421 is about 706.6384913957.

The spelling of 352851421 in words is "three hundred fifty-two million, eight hundred fifty-one thousand, four hundred twenty-one".