83287253 has 4 divisors (see below), whose sum is σ = 95185440. Its totient is φ = 71389068.

The previous prime is 83287249. The next prime is 83287283. The reversal of 83287253 is 35278238.

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 83287253 - 2² = 83287249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83287223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5949083 + ... + 5949096.

It is an arithmetic number, because the mean of its divisors is an integer number (23796360).

Almost surely, 2^83287253 is an apocalyptic number.

It is an amenable number.

83287253 is a deficient number, since it is larger than the sum of its proper divisors (11898187).

83287253 is a wasteful number, since it uses less digits than its factorization.

83287253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11898186.

The product of its digits is 80640, while the sum is 38.

The square root of 83287253 is about 9126.1850189441. The cubic root of 83287253 is about 436.7097077659.

The spelling of 83287253 in words is "eighty-three million, two hundred eighty-seven thousand, two hundred fifty-three".