354565 has 4 divisors (see below), whose sum is σ = 425484. Its totient is φ = 283648.

The previous prime is 354553. The next prime is 354581. The reversal of 354565 is 565453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 565453 = 7 ⋅80779.

It can be written as a sum of positive squares in 2 ways, for example, as 159201 + 195364 = 399^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 354565 - 2⁵ = 354533 is a prime.

It is a Duffinian number.

354565 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35452 + ... + 35461.

It is an arithmetic number, because the mean of its divisors is an integer number (106371).

2³⁵⁴⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

354565 is a deficient number, since it is larger than the sum of its proper divisors (70919).

354565 is an equidigital number, since it uses as much as digits as its factorization.

354565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70918.

The product of its digits is 9000, while the sum is 28.

The square root of 354565 is about 595.4536086044. The cubic root of 354565 is about 70.7780545260.

It can be divided in two parts, 354 and 565, that added together give a palindrome (919).

The spelling of 354565 in words is "three hundred fifty-four thousand, five hundred sixty-five".