354561605 has 8 divisors (see below), whose sum is σ = 450501912. Its totient is φ = 266963968.

The previous prime is 354561577. The next prime is 354561619. The reversal of 354561605 is 506165453.

It can be written as a sum of positive squares in 4 ways, for example, as 35796289 + 318765316 = 5983^2 + 17854^2 .

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 354561605 - 2²⁸ = 86126149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085572 + ... + 2085741.

It is an arithmetic number, because the mean of its divisors is an integer number (56312739).

Almost surely, 2^354561605 is an apocalyptic number.

It is an amenable number.

354561605 is a deficient number, since it is larger than the sum of its proper divisors (95940307).

354561605 is a wasteful number, since it uses less digits than its factorization.

354561605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171335.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 354561605 is about 18829.8062921529. The cubic root of 354561605 is about 707.7782862267.

The spelling of 354561605 in words is "three hundred fifty-four million, five hundred sixty-one thousand, six hundred five".