2445011521 has 2 divisors, whose sum is σ = 2445011522. Its totient is φ = 2445011520.

The previous prime is 2445011501. The next prime is 2445011533. The reversal of 2445011521 is 1251105442.

2445011521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2372761521 + 72250000 = 48711^2 + 8500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445011521 - 2²³ = 2436622913 is a prime.

It is a super-3 number, since 3×2445011521³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2445011501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222505760 + 1222505761.

It is an arithmetic number, because the mean of its divisors is an integer number (1222505761).

Almost surely, 2^2445011521 is an apocalyptic number.

It is an amenable number.

2445011521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445011521 is an equidigital number, since it uses as much as digits as its factorization.

2445011521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2445011521 is about 49447.0577587787. The cubic root of 2445011521 is about 1347.1841666595.

Adding to 2445011521 its reverse (1251105442), we get a palindrome (3696116963).

The spelling of 2445011521 in words is "two billion, four hundred forty-five million, eleven thousand, five hundred twenty-one".