285113417 has 4 divisors (see below), whose sum is σ = 294310656. Its totient is φ = 275916180.

The previous prime is 285113407. The next prime is 285113419. The reversal of 285113417 is 714311582.

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, and also an emirpimes, since its reverse is a distinct semiprime: 714311582 = 2 ⋅357155791.

It is a cyclic number.

It is not a de Polignac number, because 285113417 - 2¹⁶ = 285047881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285113419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4598573 + ... + 4598634.

It is an arithmetic number, because the mean of its divisors is an integer number (73577664).

Almost surely, 2^285113417 is an apocalyptic number.

It is an amenable number.

285113417 is a deficient number, since it is larger than the sum of its proper divisors (9197239).

285113417 is an equidigital number, since it uses as much as digits as its factorization.

285113417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197238.

The product of its digits is 6720, while the sum is 32.

The square root of 285113417 is about 16885.3018036398. The cubic root of 285113417 is about 658.1717208094.

Adding to 285113417 its reverse (714311582), we get a palindrome (999424999).

The spelling of 285113417 in words is "two hundred eighty-five million, one hundred thirteen thousand, four hundred seventeen".