4225505525 has 6 divisors (see below), whose sum is σ = 5239626882. Its totient is φ = 3380404400.

The previous prime is 4225505521. The next prime is 4225505579. The reversal of 4225505525 is 5255055224.

It can be written as a sum of positive squares in 3 ways, for example, as 253733041 + 3971772484 = 15929^2 + 63022^2 .

It is not a de Polignac number, because 4225505525 - 2² = 4225505521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225505521) 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, 84510086 + ... + 84510135.

It is an arithmetic number, because the mean of its divisors is an integer number (873271147).

Almost surely, 2^4225505525 is an apocalyptic number.

It is an amenable number.

4225505525 is a deficient number, since it is larger than the sum of its proper divisors (1014121357).

4225505525 is a wasteful number, since it uses less digits than its factorization.

4225505525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169020231 (or 169020226 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 35.

The square root of 4225505525 is about 65003.8885375329. Note that the first 3 decimals coincide. The cubic root of 4225505525 is about 1616.6880368215.

The spelling of 4225505525 in words is "four billion, two hundred twenty-five million, five hundred five thousand, five hundred twenty-five".