375435421 has 8 divisors (see below), whose sum is σ = 408823200. Its totient is φ = 343410480.

The previous prime is 375435407. The next prime is 375435457. The reversal of 375435421 is 124534573.

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 375435421 - 2²⁷ = 241217693 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 (375435121) 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 7 ways as a sum of consecutive naturals, for example, 340135 + ... + 341236.

It is an arithmetic number, because the mean of its divisors is an integer number (51102900).

Almost surely, 2^375435421 is an apocalyptic number.

It is an amenable number.

375435421 is a deficient number, since it is larger than the sum of its proper divisors (33387779).

375435421 is a wasteful number, since it uses less digits than its factorization.

375435421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681419.

The product of its digits is 50400, while the sum is 34.

The square root of 375435421 is about 19376.1559913209. The cubic root of 375435421 is about 721.4037819762.

Adding to 375435421 its reverse (124534573), we get a palindrome (499969994).

The spelling of 375435421 in words is "three hundred seventy-five million, four hundred thirty-five thousand, four hundred twenty-one".