2421331001 has 4 divisors (see below), whose sum is σ = 2421452004. Its totient is φ = 2421210000.

The previous prime is 2421330983. The next prime is 2421331019. The reversal of 2421331001 is 1001331242.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2421330983) and next prime (2421331019).

It can be written as a sum of positive squares in 2 ways, for example, as 1103568400 + 1317762601 = 33220^2 + 36301^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421331001 - 2⁶ = 2421330937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421331061) 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, 22550 + ... + 73151.

It is an arithmetic number, because the mean of its divisors is an integer number (605363001).

Almost surely, 2^2421331001 is an apocalyptic number.

It is an amenable number.

2421331001 is a deficient number, since it is larger than the sum of its proper divisors (121003).

2421331001 is an equidigital number, since it uses as much as digits as its factorization.

2421331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121002.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2421331001 is about 49207.0218668027. The cubic root of 2421331001 is about 1342.8207826835.

Adding to 2421331001 its reverse (1001331242), we get a palindrome (3422662243).

The spelling of 2421331001 in words is "two billion, four hundred twenty-one million, three hundred thirty-one thousand, one".