83205401 has 4 divisors (see below), whose sum is σ = 83512704. Its totient is φ = 82898100.

The previous prime is 83205391. The next prime is 83205449. The reversal of 83205401 is 10450238.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83205401 - 2⁶ = 83205337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83205461) 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, 153245 + ... + 153786.

It is an arithmetic number, because the mean of its divisors is an integer number (20878176).

Almost surely, 2^83205401 is an apocalyptic number.

It is an amenable number.

83205401 is a deficient number, since it is larger than the sum of its proper divisors (307303).

83205401 is a wasteful number, since it uses less digits than its factorization.

83205401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307302.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 83205401 is about 9121.6994578861. The cubic root of 83205401 is about 436.5665995152.

Adding to 83205401 its reverse (10450238), we get a palindrome (93655639).

The spelling of 83205401 in words is "eighty-three million, two hundred five thousand, four hundred one".