82529091 has 16 divisors (see below), whose sum is σ = 123050400. Its totient is φ = 54666144.

The previous prime is 82529087. The next prime is 82529119. The reversal of 82529091 is 19092528.

It is not a de Polignac number, because 82529091 - 2² = 82529087 is a prime.

It is a super-2 number, since 2×82529091² = 13622101722572562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82529011) 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, 5496 + ... + 13973.

It is an arithmetic number, because the mean of its divisors is an integer number (7690650).

Almost surely, 2^82529091 is an apocalyptic number.

82529091 is a deficient number, since it is larger than the sum of its proper divisors (40521309).

82529091 is a wasteful number, since it uses less digits than its factorization.

82529091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19635 (or 19629 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 82529091 is about 9084.5523279906. The cubic root of 82529091 is about 435.3805468976.

The spelling of 82529091 in words is "eighty-two million, five hundred twenty-nine thousand, ninety-one".