2524202021 has 16 divisors (see below), whose sum is σ = 2895350400. Its totient is φ = 2179262400.

The previous prime is 2524201991. The next prime is 2524202029. The reversal of 2524202021 is 1202024252.

It is a cyclic number.

It is not a de Polignac number, because 2524202021 - 2¹⁰ = 2524200997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2524201984 and 2524202002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2524202029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45401 + ... + 84318.

It is an arithmetic number, because the mean of its divisors is an integer number (180959400).

Almost surely, 2^2524202021 is an apocalyptic number.

It is an amenable number.

2524202021 is a deficient number, since it is larger than the sum of its proper divisors (371148379).

2524202021 is a wasteful number, since it uses less digits than its factorization.

2524202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129820.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2524202021 is about 50241.4372903483. The cubic root of 2524202021 is about 1361.5743771897.

Adding to 2524202021 its reverse (1202024252), we get a palindrome (3726226273).

The spelling of 2524202021 in words is "two billion, five hundred twenty-four million, two hundred two thousand, twenty-one".