2445234521 has 2 divisors, whose sum is σ = 2445234522. Its totient is φ = 2445234520.

The previous prime is 2445234481. The next prime is 2445234601. The reversal of 2445234521 is 1254325442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2304480025 + 140754496 = 48005^2 + 11864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2445234521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2445134521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222617260 + 1222617261.

It is an arithmetic number, because the mean of its divisors is an integer number (1222617261).

Almost surely, 2^2445234521 is an apocalyptic number.

It is an amenable number.

2445234521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445234521 is an equidigital number, since it uses as much as digits as its factorization.

2445234521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 32.

The square root of 2445234521 is about 49449.3126443634. The cubic root of 2445234521 is about 1347.2251225587.

Adding to 2445234521 its reverse (1254325442), we get a palindrome (3699559963).

The spelling of 2445234521 in words is "two billion, four hundred forty-five million, two hundred thirty-four thousand, five hundred twenty-one".