365642001 has 24 divisors (see below), whose sum is σ = 560196000. Its totient is φ = 229021056.

The previous prime is 365641979. The next prime is 365642009. The reversal of 365642001 is 100246563.

365642001 is a `hidden beast` number, since 3 + 656 + 4 + 2 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 365642001 - 2⁶ = 365641937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (365642009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102750 + ... + 106248.

It is an arithmetic number, because the mean of its divisors is an integer number (23341500).

Almost surely, 2^365642001 is an apocalyptic number.

It is an amenable number.

365642001 is a deficient number, since it is larger than the sum of its proper divisors (194553999).

365642001 is a wasteful number, since it uses less digits than its factorization.

365642001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205 (or 4202 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 365642001 is about 19121.7677268604. The cubic root of 365642001 is about 715.0757094590.

Adding to 365642001 its reverse (100246563), we get a palindrome (465888564).

The spelling of 365642001 in words is "three hundred sixty-five million, six hundred forty-two thousand, one".