2425941221 has 6 divisors (see below), whose sum is σ = 2666530566. Its totient is φ = 2205401000.

The previous prime is 2425941209. The next prime is 2425941227. The reversal of 2425941221 is 1221495242.

It can be written as a sum of positive squares in only one way, i.e., 1262380900 + 1163560321 = 35530^2 + 34111^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2425941221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2425941227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10024430 + ... + 10024671.

It is an arithmetic number, because the mean of its divisors is an integer number (444421761).

Almost surely, 2^2425941221 is an apocalyptic number.

It is an amenable number.

2425941221 is a deficient number, since it is larger than the sum of its proper divisors (240589345).

2425941221 is a wasteful number, since it uses less digits than its factorization.

2425941221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20049123 (or 20049112 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 2425941221 is about 49253.8447331779. The cubic root of 2425941221 is about 1343.6724870204.

The spelling of 2425941221 in words is "two billion, four hundred twenty-five million, nine hundred forty-one thousand, two hundred twenty-one".