83380253 has 6 divisors (see below), whose sum is σ = 91649502. Its totient is φ = 75800120.

The previous prime is 83380243. The next prime is 83380259. The reversal of 83380253 is 35208338.

It can be written as a sum of positive squares in only one way, i.e., 65723449 + 17656804 = 8107^2 + 4202^2 .

It is a de Polignac number, because none of the positive numbers 2^k-83380253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83380259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 344426 + ... + 344667.

It is an arithmetic number, because the mean of its divisors is an integer number (15274917).

Almost surely, 2^83380253 is an apocalyptic number.

It is an amenable number.

83380253 is a deficient number, since it is larger than the sum of its proper divisors (8269249).

83380253 is a wasteful number, since it uses less digits than its factorization.

83380253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689115 (or 689104 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 83380253 is about 9131.2788261010. The cubic root of 83380253 is about 436.8721931962.

The spelling of 83380253 in words is "eighty-three million, three hundred eighty thousand, two hundred fifty-three".