4245535125 has 144 divisors (see below), whose sum is σ = 8491876848. Its totient is φ = 2028499200.

The previous prime is 4245535087. The next prime is 4245535139. The reversal of 4245535125 is 5215355424.

It can be written as a sum of positive squares in 8 ways, for example, as 2636000964 + 1609534161 = 51342^2 + 40119^2 .

It is not a de Polignac number, because 4245535125 - 2⁹ = 4245534613 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4245535125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 27041547 + ... + 27041703.

It is an arithmetic number, because the mean of its divisors is an integer number (58971367).

Almost surely, 2^4245535125 is an apocalyptic number.

4245535125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4245535125 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

4245535125 is a wasteful number, since it uses less digits than its factorization.

4245535125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 221 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 4245535125 is about 65157.7710254118. The cubic root of 4245535125 is about 1619.2384680915.

The spelling of 4245535125 in words is "four billion, two hundred forty-five million, five hundred thirty-five thousand, one hundred twenty-five".