82941531 has 16 divisors (see below), whose sum is σ = 114184224. Its totient is φ = 53512704.

The previous prime is 82941527. The next prime is 82941533. The reversal of 82941531 is 13514928.

It is not a de Polignac number, because 82941531 - 2² = 82941527 is a prime.

It is a super-2 number, since 2×82941531² = 13758595129247922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82941492 and 82941501.

It is not an unprimeable number, because it can be changed into a prime (82941533) 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, 19971 + ... + 23763.

It is an arithmetic number, because the mean of its divisors is an integer number (7136514).

Almost surely, 2^82941531 is an apocalyptic number.

82941531 is a deficient number, since it is larger than the sum of its proper divisors (31242693).

82941531 is a wasteful number, since it uses less digits than its factorization.

82941531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030.

The product of its digits is 8640, while the sum is 33.

The square root of 82941531 is about 9107.2241105619. The cubic root of 82941531 is about 436.1046150080.

The spelling of 82941531 in words is "eighty-two million, nine hundred forty-one thousand, five hundred thirty-one".