82447252 has 12 divisors (see below), whose sum is σ = 146436640. Its totient is φ = 40608216.

The previous prime is 82447241. The next prime is 82447301. The reversal of 82447252 is 25274428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153552 + ... + 154087.

Almost surely, 2^82447252 is an apocalyptic number.

It is an amenable number.

82447252 is a deficient number, since it is larger than the sum of its proper divisors (63989388).

82447252 is a wasteful number, since it uses less digits than its factorization.

82447252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307710 (or 307708 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 82447252 is about 9080.0469161784. The cubic root of 82447252 is about 435.2365859728.

The spelling of 82447252 in words is "eighty-two million, four hundred forty-seven thousand, two hundred fifty-two".