354405241 has 4 divisors (see below), whose sum is σ = 354447184. Its totient is φ = 354363300.

The previous prime is 354405221. The next prime is 354405253. The reversal of 354405241 is 142504453.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 354405241 - 2¹¹ = 354403193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354405211) 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, 3375 + ... + 26836.

It is an arithmetic number, because the mean of its divisors is an integer number (88611796).

Almost surely, 2^354405241 is an apocalyptic number.

It is an amenable number.

354405241 is a deficient number, since it is larger than the sum of its proper divisors (41943).

354405241 is a wasteful number, since it uses less digits than its factorization.

354405241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41942.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 354405241 is about 18825.6538000676. The cubic root of 354405241 is about 707.6742259682.

Adding to 354405241 its reverse (142504453), we get a palindrome (496909694).

The spelling of 354405241 in words is "three hundred fifty-four million, four hundred five thousand, two hundred forty-one".