2361043021 has 2 divisors, whose sum is σ = 2361043022. Its totient is φ = 2361043020.

The previous prime is 2361042967. The next prime is 2361043043. The reversal of 2361043021 is 1203401632.

It is an a-pointer prime, because the next prime (2361043043) can be obtained adding 2361043021 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2360890921 + 152100 = 48589^2 + 390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2361043021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2361042983 and 2361043001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2361043121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1180521510 + 1180521511.

It is an arithmetic number, because the mean of its divisors is an integer number (1180521511).

Almost surely, 2^2361043021 is an apocalyptic number.

It is an amenable number.

2361043021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2361043021 is an equidigital number, since it uses as much as digits as its factorization.

2361043021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2361043021 is about 48590.5651438631. The cubic root of 2361043021 is about 1331.5821563677.

Adding to 2361043021 its reverse (1203401632), we get a palindrome (3564444653).

The spelling of 2361043021 in words is "two billion, three hundred sixty-one million, forty-three thousand, twenty-one".