2524805021 has 2 divisors, whose sum is σ = 2524805022. Its totient is φ = 2524805020.

The previous prime is 2524804999. The next prime is 2524805029. The reversal of 2524805021 is 1205084252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2473968121 + 50836900 = 49739^2 + 7130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2524805021 - 2²² = 2520610717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2524805029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262402510 + 1262402511.

It is an arithmetic number, because the mean of its divisors is an integer number (1262402511).

Almost surely, 2^2524805021 is an apocalyptic number.

It is an amenable number.

2524805021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2524805021 is an equidigital number, since it uses as much as digits as its factorization.

2524805021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 2524805021 is about 50247.4379545863. The cubic root of 2524805021 is about 1361.6827895346.

Adding to 2524805021 its reverse (1205084252), we get a palindrome (3729889273).

The spelling of 2524805021 in words is "two billion, five hundred twenty-four million, eight hundred five thousand, twenty-one".