402004241 has 4 divisors (see below), whose sum is σ = 402061632. Its totient is φ = 401946852.

The previous prime is 402004217. The next prime is 402004247. The reversal of 402004241 is 142400204.

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 402004241 - 2¹⁴ = 401987857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402004247) 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, 16445 + ... + 32778.

It is an arithmetic number, because the mean of its divisors is an integer number (100515408).

Almost surely, 2^402004241 is an apocalyptic number.

It is an amenable number.

402004241 is a deficient number, since it is larger than the sum of its proper divisors (57391).

402004241 is an equidigital number, since it uses as much as digits as its factorization.

402004241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57390.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 402004241 is about 20050.0434164118. The cubic root of 402004241 is about 738.0348645530.

Adding to 402004241 its reverse (142400204), we get a palindrome (544404445).

The spelling of 402004241 in words is "four hundred two million, four thousand, two hundred forty-one".