2404541521 has 2 divisors, whose sum is σ = 2404541522. Its totient is φ = 2404541520.

The previous prime is 2404541497. The next prime is 2404541543. The reversal of 2404541521 is 1251454042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2387690496 + 16851025 = 48864^2 + 4105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2404541521 - 2⁷ = 2404541393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2404541521.

It is not a weakly prime, because it can be changed into another prime (2404541551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202270760 + 1202270761.

It is an arithmetic number, because the mean of its divisors is an integer number (1202270761).

Almost surely, 2^2404541521 is an apocalyptic number.

It is an amenable number.

2404541521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2404541521 is an equidigital number, since it uses as much as digits as its factorization.

2404541521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2404541521 is about 49036.1246531575. The cubic root of 2404541521 is about 1339.7098802003.

Adding to 2404541521 its reverse (1251454042), we get a palindrome (3655995563).

The spelling of 2404541521 in words is "two billion, four hundred four million, five hundred forty-one thousand, five hundred twenty-one".