354508561 has 4 divisors (see below), whose sum is σ = 386736624. Its totient is φ = 322280500.

The previous prime is 354508549. The next prime is 354508577. The reversal of 354508561 is 165805453.

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.

It is a cyclic number.

It is not a de Polignac number, because 354508561 - 2¹³ = 354500369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 354508561.

It is not an unprimeable number, because it can be changed into a prime (354508261) 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 3 ways as a sum of consecutive naturals, for example, 16114015 + ... + 16114036.

It is an arithmetic number, because the mean of its divisors is an integer number (96684156).

Almost surely, 2^354508561 is an apocalyptic number.

It is an amenable number.

354508561 is a deficient number, since it is larger than the sum of its proper divisors (32228063).

354508561 is a wasteful number, since it uses less digits than its factorization.

354508561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32228062.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 354508561 is about 18828.3977279003. The cubic root of 354508561 is about 707.7429888686.

The spelling of 354508561 in words is "three hundred fifty-four million, five hundred eight thousand, five hundred sixty-one".