354442521 has 8 divisors (see below), whose sum is σ = 479064160. Its totient is φ = 233057952.

The previous prime is 354442483. The next prime is 354442547. The reversal of 354442521 is 125244453.

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

It is not a de Polignac number, because 354442521 - 2¹¹ = 354440473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354442021) 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, 809011 + ... + 809448.

It is an arithmetic number, because the mean of its divisors is an integer number (59883020).

Almost surely, 2^354442521 is an apocalyptic number.

It is an amenable number.

354442521 is a deficient number, since it is larger than the sum of its proper divisors (124621639).

354442521 is a wasteful number, since it uses less digits than its factorization.

354442521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618535.

The product of its digits is 19200, while the sum is 30.

The square root of 354442521 is about 18826.6439122856. The cubic root of 354442521 is about 707.6990385905.

Adding to 354442521 its reverse (125244453), we get a palindrome (479686974).

The spelling of 354442521 in words is "three hundred fifty-four million, four hundred forty-two thousand, five hundred twenty-one".