285513495 has 16 divisors (see below), whose sum is σ = 457049952. Its totient is φ = 152197760.

The previous prime is 285513469. The next prime is 285513499. The reversal of 285513495 is 594315582.

It is not a de Polignac number, because 285513495 - 2¹⁰ = 285512471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285513499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39589 + ... + 46241.

It is an arithmetic number, because the mean of its divisors is an integer number (28565622).

Almost surely, 2^285513495 is an apocalyptic number.

285513495 is a deficient number, since it is larger than the sum of its proper divisors (171536457).

285513495 is a wasteful number, since it uses less digits than its factorization.

285513495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522.

The product of its digits is 216000, while the sum is 42.

The square root of 285513495 is about 16897.1445812599. The cubic root of 285513495 is about 658.4794310518.

The spelling of 285513495 in words is "two hundred eighty-five million, five hundred thirteen thousand, four hundred ninety-five".