82050401 has 4 divisors (see below), whose sum is σ = 82294212. Its totient is φ = 81806592.

The previous prime is 82050383. The next prime is 82050433. The reversal of 82050401 is 10405028.

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 51136801 + 30913600 = 7151^2 + 5560^2 .

It is a cyclic number.

It is not a de Polignac number, because 82050401 - 2⁶ = 82050337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82050461) 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, 121400 + ... + 122073.

It is an arithmetic number, because the mean of its divisors is an integer number (20573553).

Almost surely, 2^82050401 is an apocalyptic number.

It is an amenable number.

82050401 is a deficient number, since it is larger than the sum of its proper divisors (243811).

82050401 is a wasteful number, since it uses less digits than its factorization.

82050401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243810.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 82050401 is about 9058.1676403123. The cubic root of 82050401 is about 434.5371410014.

Adding to 82050401 its reverse (10405028), we get a palindrome (92455429).

The spelling of 82050401 in words is "eighty-two million, fifty thousand, four hundred one".