285140253417 has 4 divisors (see below), whose sum is σ = 380187004560. Its totient is φ = 190093502276.

The previous prime is 285140253413. The next prime is 285140253427. The reversal of 285140253417 is 714352041582.

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.

It is a cyclic number.

It is not a de Polignac number, because 285140253417 - 2² = 285140253413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (285140253413) 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, 47523375567 + ... + 47523375572.

It is an arithmetic number, because the mean of its divisors is an integer number (95046751140).

Almost surely, 2^285140253417 is an apocalyptic number.

It is an amenable number.

285140253417 is a deficient number, since it is larger than the sum of its proper divisors (95046751143).

285140253417 is an equidigital number, since it uses as much as digits as its factorization.

285140253417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95046751142.

The product of its (nonzero) digits is 268800, while the sum is 42.

Adding to 285140253417 its reverse (714352041582), we get a palindrome (999492294999).

The spelling of 285140253417 in words is "two hundred eighty-five billion, one hundred forty million, two hundred fifty-three thousand, four hundred seventeen".