202404001 has 4 divisors (see below), whose sum is σ = 202513600. Its totient is φ = 202294404.

The previous prime is 202403987. The next prime is 202404029. The reversal of 202404001 is 100404202.

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 202404001 - 2⁵ = 202403969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202407001) 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, 51981 + ... + 55738.

It is an arithmetic number, because the mean of its divisors is an integer number (50628400).

Almost surely, 2^202404001 is an apocalyptic number.

It is an amenable number.

202404001 is a deficient number, since it is larger than the sum of its proper divisors (109599).

202404001 is a wasteful number, since it uses less digits than its factorization.

202404001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109598.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 202404001 is about 14226.8760098625. The cubic root of 202404001 is about 587.1373356116.

Adding to 202404001 its reverse (100404202), we get a palindrome (302808203).

The spelling of 202404001 in words is "two hundred two million, four hundred four thousand, one".