83101249 has 16 divisors (see below), whose sum is σ = 103873536. Its totient is φ = 64587600.

The previous prime is 83101247. The next prime is 83101261. The reversal of 83101249 is 94210138.

It is a happy number.

It is not a de Polignac number, because 83101249 - 2¹ = 83101247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83101247) 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, 34804 + ... + 37114.

It is an arithmetic number, because the mean of its divisors is an integer number (6492096).

Almost surely, 2^83101249 is an apocalyptic number.

It is an amenable number.

83101249 is a deficient number, since it is larger than the sum of its proper divisors (20772287).

83101249 is a wasteful number, since it uses less digits than its factorization.

83101249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 83101249 is about 9115.9886463290. The cubic root of 83101249 is about 436.3843666748.

Subtracting 83101249 from its reverse (94210138), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 8310 and 1249, that added together give a palindrome (9559).

The spelling of 83101249 in words is "eighty-three million, one hundred one thousand, two hundred forty-nine".