82540194 has 16 divisors (see below), whose sum is σ = 180087840. Its totient is φ = 25012160.

The previous prime is 82540187. The next prime is 82540201. The reversal of 82540194 is 49104528.

It is an interprime number because it is at equal distance from previous prime (82540187) and next prime (82540201).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625239 + ... + 625370.

It is an arithmetic number, because the mean of its divisors is an integer number (11255490).

Almost surely, 2^82540194 is an apocalyptic number.

82540194 is an abundant number, since it is smaller than the sum of its proper divisors (97547646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82540194 is a wasteful number, since it uses less digits than its factorization.

82540194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250625.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 82540194 is about 9085.1633997414. The cubic root of 82540194 is about 435.4000705726.

The spelling of 82540194 in words is "eighty-two million, five hundred forty thousand, one hundred ninety-four".