82152542 has 16 divisors (see below), whose sum is σ = 133900800. Its totient is φ = 37658520.

The previous prime is 82152541. The next prime is 82152547. The reversal of 82152542 is 24525128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82152541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33692 + ... + 36047.

It is an arithmetic number, because the mean of its divisors is an integer number (8368800).

Almost surely, 2^82152542 is an apocalyptic number.

82152542 is a deficient number, since it is larger than the sum of its proper divisors (51748258).

82152542 is a wasteful number, since it uses less digits than its factorization.

82152542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69791.

The product of its digits is 6400, while the sum is 29.

The square root of 82152542 is about 9063.8039475708. The cubic root of 82152542 is about 434.7173784044.

The spelling of 82152542 in words is "eighty-two million, one hundred fifty-two thousand, five hundred forty-two".