82140301 has 4 divisors (see below), whose sum is σ = 83690172. Its totient is φ = 80590432.

The previous prime is 82140293. The next prime is 82140319. The reversal of 82140301 is 10304128.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49364676 + 32775625 = 7026^2 + 5725^2 .

It is a cyclic number.

It is not a de Polignac number, because 82140301 - 2³ = 82140293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82140361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774856 + ... + 774961.

It is an arithmetic number, because the mean of its divisors is an integer number (20922543).

Almost surely, 2^82140301 is an apocalyptic number.

It is an amenable number.

82140301 is a deficient number, since it is larger than the sum of its proper divisors (1549871).

82140301 is a wasteful number, since it uses less digits than its factorization.

82140301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549870.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 82140301 is about 9063.1286540576. The cubic root of 82140301 is about 434.6957858904.

Adding to 82140301 its reverse (10304128), we get a palindrome (92444429).

The spelling of 82140301 in words is "eighty-two million, one hundred forty thousand, three hundred one".