28513314 has 24 divisors (see below), whose sum is σ = 61878492. Its totient is φ = 9489120.

The previous prime is 28513313. The next prime is 28513339. The reversal of 28513314 is 41331582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26163225 + 2350089 = 5115^2 + 1533^2 .

It is not an unprimeable number, because it can be changed into a prime (28513313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18352 + ... + 19844.

Almost surely, 2^28513314 is an apocalyptic number.

28513314 is an abundant number, since it is smaller than the sum of its proper divisors (33365178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28513314 is a wasteful number, since it uses less digits than its factorization.

28513314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562 (or 2559 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 28513314 is about 5339.7859507662. The cubic root of 28513314 is about 305.5032951626.

Adding to 28513314 its reverse (41331582), we get a palindrome (69844896).

The spelling of 28513314 in words is "twenty-eight million, five hundred thirteen thousand, three hundred fourteen".