368542805 has 4 divisors (see below), whose sum is σ = 442251372. Its totient is φ = 294834240.

The previous prime is 368542751. The next prime is 368542861. The reversal of 368542805 is 508245863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508245863 = 113 ⋅4497751.

It can be written as a sum of positive squares in 2 ways, for example, as 222785476 + 145757329 = 14926^2 + 12073^2 .

It is not a de Polignac number, because 368542805 - 2¹⁰ = 368541781 is a prime.

It is a Duffinian number.

It is a Curzon 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, 36854276 + ... + 36854285.

It is an arithmetic number, because the mean of its divisors is an integer number (110562843).

Almost surely, 2^368542805 is an apocalyptic number.

It is an amenable number.

368542805 is a deficient number, since it is larger than the sum of its proper divisors (73708567).

368542805 is an equidigital number, since it uses as much as digits as its factorization.

368542805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73708566.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 368542805 is about 19197.4687133486. The cubic root of 368542805 is about 716.9617373976.

The spelling of 368542805 in words is "three hundred sixty-eight million, five hundred forty-two thousand, eight hundred five".