2423544521 has 2 divisors, whose sum is σ = 2423544522. Its totient is φ = 2423544520.

The previous prime is 2423544509. The next prime is 2423544527. The reversal of 2423544521 is 1254453242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2367892921 + 55651600 = 48661^2 + 7460^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423544521 - 2²⁶ = 2356435657 is a prime.

It is not a weakly prime, because it can be changed into another prime (2423544527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211772260 + 1211772261.

It is an arithmetic number, because the mean of its divisors is an integer number (1211772261).

Almost surely, 2^2423544521 is an apocalyptic number.

It is an amenable number.

2423544521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423544521 is an equidigital number, since it uses as much as digits as its factorization.

2423544521 is an evil number, because the sum of its binary digits is even.

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

The square root of 2423544521 is about 49229.5086406517. The cubic root of 2423544521 is about 1343.2298490696.

Adding to 2423544521 its reverse (1254453242), we get a palindrome (3677997763).

The spelling of 2423544521 in words is "two billion, four hundred twenty-three million, five hundred forty-four thousand, five hundred twenty-one".