82152851 has 16 divisors (see below), whose sum is σ = 92302848. Its totient is φ = 72477600.

The previous prime is 82152841. The next prime is 82152859. The reversal of 82152851 is 15825128.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 82152851 - 2¹⁸ = 81890707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82152859) 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, 67121 + ... + 68333.

It is an arithmetic number, because the mean of its divisors is an integer number (5768928).

Almost surely, 2^82152851 is an apocalyptic number.

82152851 is a deficient number, since it is larger than the sum of its proper divisors (10149997).

82152851 is a wasteful number, since it uses less digits than its factorization.

82152851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402.

The product of its digits is 6400, while the sum is 32.

The square root of 82152851 is about 9063.8209933780. The cubic root of 82152851 is about 434.7179234373.

Adding to 82152851 its reverse (15825128), we get a palindrome (97977979).

The spelling of 82152851 in words is "eighty-two million, one hundred fifty-two thousand, eight hundred fifty-one".