2340000521 has 2 divisors, whose sum is σ = 2340000522. Its totient is φ = 2340000520.

The previous prime is 2340000457. The next prime is 2340000539. The reversal of 2340000521 is 1250000432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1471873225 + 868127296 = 38365^2 + 29464^2 .

It is a cyclic number.

It is not a de Polignac number, because 2340000521 - 2⁶ = 2340000457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2340000521.

It is not a weakly prime, because it can be changed into another prime (2340000821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170000260 + 1170000261.

It is an arithmetic number, because the mean of its divisors is an integer number (1170000261).

Almost surely, 2^2340000521 is an apocalyptic number.

It is an amenable number.

2340000521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340000521 is an equidigital number, since it uses as much as digits as its factorization.

2340000521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2340000521 is about 48373.5518749657. The cubic root of 2340000521 is about 1327.6144927927.

Adding to 2340000521 its reverse (1250000432), we get a palindrome (3590000953).

The spelling of 2340000521 in words is "two billion, three hundred forty million, five hundred twenty-one", and thus it is an aban number.