381504201 has 16 divisors (see below), whose sum is σ = 553453824. Its totient is φ = 232349184.

The previous prime is 381504199. The next prime is 381504203. The reversal of 381504201 is 102405183.

It is an interprime number because it is at equal distance from previous prime (381504199) and next prime (381504203).

It is not a de Polignac number, because 381504201 - 2¹ = 381504199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381504203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46641 + ... + 54206.

It is an arithmetic number, because the mean of its divisors is an integer number (34590864).

Almost surely, 2^381504201 is an apocalyptic number.

It is an amenable number.

381504201 is a deficient number, since it is larger than the sum of its proper divisors (171949623).

381504201 is a wasteful number, since it uses less digits than its factorization.

381504201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100960.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 381504201 is about 19532.1325256614. The cubic root of 381504201 is about 725.2701021342.

Adding to 381504201 its reverse (102405183), we get a palindrome (483909384).

The spelling of 381504201 in words is "three hundred eighty-one million, five hundred four thousand, two hundred one".