2400130321 has 2 divisors, whose sum is σ = 2400130322. Its totient is φ = 2400130320.

The previous prime is 2400130307. The next prime is 2400130333. The reversal of 2400130321 is 1230310042.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2156302096 + 243828225 = 46436^2 + 15615^2 .

It is a cyclic number.

It is not a de Polignac number, because 2400130321 - 2¹³ = 2400122129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2400130295 and 2400130304.

It is not a weakly prime, because it can be changed into another prime (2400130301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200065160 + 1200065161.

It is an arithmetic number, because the mean of its divisors is an integer number (1200065161).

Almost surely, 2^2400130321 is an apocalyptic number.

It is an amenable number.

2400130321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400130321 is an equidigital number, since it uses as much as digits as its factorization.

2400130321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2400130321 is about 48991.1249207446. The cubic root of 2400130321 is about 1338.8901333845.

Adding to 2400130321 its reverse (1230310042), we get a palindrome (3630440363).

The spelling of 2400130321 in words is "two billion, four hundred million, one hundred thirty thousand, three hundred twenty-one".