2301400021 has 4 divisors (see below), whose sum is σ = 2309892544. Its totient is φ = 2292907500.

The previous prime is 2301399983. The next prime is 2301400027. The reversal of 2301400021 is 1200041032.

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 a de Polignac number, because none of the positive numbers 2^k-2301400021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2301399974 and 2301400010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301400027) 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, 4245855 + ... + 4246396.

It is an arithmetic number, because the mean of its divisors is an integer number (577473136).

Almost surely, 2^2301400021 is an apocalyptic number.

It is an amenable number.

2301400021 is a deficient number, since it is larger than the sum of its proper divisors (8492523).

2301400021 is an equidigital number, since it uses as much as digits as its factorization.

2301400021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8492522.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2301400021 is about 47972.9092405287. The cubic root of 2301400021 is about 1320.2738988173.

Adding to 2301400021 its reverse (1200041032), we get a palindrome (3501441053).

The spelling of 2301400021 in words is "two billion, three hundred one million, four hundred thousand, twenty-one".