354425621 has 8 divisors (see below), whose sum is σ = 386954688. Its totient is φ = 321948000.

The previous prime is 354425611. The next prime is 354425629. The reversal of 354425621 is 126524453.

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

It is not a de Polignac number, because 354425621 - 2¹⁰ = 354424597 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 (354425629) 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, 2336 + ... + 26726.

It is an arithmetic number, because the mean of its divisors is an integer number (48369336).

Almost surely, 2^354425621 is an apocalyptic number.

It is an amenable number.

354425621 is a deficient number, since it is larger than the sum of its proper divisors (32529067).

354425621 is a wasteful number, since it uses less digits than its factorization.

354425621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25723.

The product of its digits is 28800, while the sum is 32.

The square root of 354425621 is about 18826.1950749481. The cubic root of 354425621 is about 707.6877905948.

The spelling of 354425621 in words is "three hundred fifty-four million, four hundred twenty-five thousand, six hundred twenty-one".