285441355 has 4 divisors (see below), whose sum is σ = 342529632. Its totient is φ = 228353080.

The previous prime is 285441349. The next prime is 285441367. The reversal of 285441355 is 553144582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553144582 = 2 ⋅276572291.

It is not a de Polignac number, because 285441355 - 2²¹ = 283344203 is a prime.

It is a Duffinian 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, 28544131 + ... + 28544140.

It is an arithmetic number, because the mean of its divisors is an integer number (85632408).

Almost surely, 2^285441355 is an apocalyptic number.

285441355 is a deficient number, since it is larger than the sum of its proper divisors (57088277).

285441355 is an equidigital number, since it uses as much as digits as its factorization.

285441355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57088276.

The product of its digits is 96000, while the sum is 37.

The square root of 285441355 is about 16895.0097662002. The cubic root of 285441355 is about 658.4239675818.

The spelling of 285441355 in words is "two hundred eighty-five million, four hundred forty-one thousand, three hundred fifty-five".