380205601 has 4 divisors (see below), whose sum is σ = 381030804. Its totient is φ = 379380400.

The previous prime is 380205589. The next prime is 380205643. The reversal of 380205601 is 106502083.

It is a happy number.

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 239166225 + 141039376 = 15465^2 + 11876^2 .

It is a cyclic number.

It is not a de Polignac number, because 380205601 - 2⁷ = 380205473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380205671) 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, 411910 + ... + 412831.

It is an arithmetic number, because the mean of its divisors is an integer number (95257701).

Almost surely, 2^380205601 is an apocalyptic number.

It is an amenable number.

380205601 is a deficient number, since it is larger than the sum of its proper divisors (825203).

380205601 is an equidigital number, since it uses as much as digits as its factorization.

380205601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825202.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 380205601 is about 19498.8615308689. The cubic root of 380205601 is about 724.4462523888.

Adding to 380205601 its reverse (106502083), we get a palindrome (486707684).

The spelling of 380205601 in words is "three hundred eighty million, two hundred five thousand, six hundred one".