82196249 has 4 divisors (see below), whose sum is σ = 82353936. Its totient is φ = 82038564.

The previous prime is 82196243. The next prime is 82196287. The reversal of 82196249 is 94269128.

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 a de Polignac number, because none of the positive numbers 2^k-82196249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82196243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78059 + ... + 79104.

It is an arithmetic number, because the mean of its divisors is an integer number (20588484).

Almost surely, 2^82196249 is an apocalyptic number.

It is an amenable number.

82196249 is a deficient number, since it is larger than the sum of its proper divisors (157687).

82196249 is a wasteful number, since it uses less digits than its factorization.

82196249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157686.

The product of its digits is 62208, while the sum is 41.

The square root of 82196249 is about 9066.2147007447. The cubic root of 82196249 is about 434.7944578775.

The spelling of 82196249 in words is "eighty-two million, one hundred ninety-six thousand, two hundred forty-nine".