2425202021 has 32 divisors (see below), whose sum is σ = 2813184000. Its totient is φ = 2071915440.

The previous prime is 2425202011. The next prime is 2425202069. The reversal of 2425202021 is 1202025242.

It is a de Polignac number, because none of the positive numbers 2^k-2425202021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2425201984 and 2425202002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2425202011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41105090 + ... + 41105148.

It is an arithmetic number, because the mean of its divisors is an integer number (87912000).

Almost surely, 2^2425202021 is an apocalyptic number.

It is an amenable number.

2425202021 is a deficient number, since it is larger than the sum of its proper divisors (387981979).

2425202021 is an frugal number, since it uses more digits than its factorization.

2425202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 160 counting only the distinct ones).

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

The square root of 2425202021 is about 49246.3401787382. The cubic root of 2425202021 is about 1343.5359979204.

Adding to 2425202021 its reverse (1202025242), we get a palindrome (3627227263).

The spelling of 2425202021 in words is "two billion, four hundred twenty-five million, two hundred two thousand, twenty-one".