4251277525 has 36 divisors (see below), whose sum is σ = 5846133636. Its totient is φ = 3064230400.

The previous prime is 4251277523. The next prime is 4251277529. The reversal of 4251277525 is 5257721524.

It can be written as a sum of positive squares in 6 ways, for example, as 2040961329 + 2210316196 = 45177^2 + 47014^2 .

It is not a de Polignac number, because 4251277525 - 2¹ = 4251277523 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 (4251277523) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 335607 + ... + 348043.

It is an arithmetic number, because the mean of its divisors is an integer number (162392601).

Almost surely, 2^4251277525 is an apocalyptic number.

It is an amenable number.

4251277525 is a deficient number, since it is larger than the sum of its proper divisors (1594856111).

4251277525 is a wasteful number, since it uses less digits than its factorization.

4251277525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12582 (or 12566 counting only the distinct ones).

The product of its digits is 196000, while the sum is 40.

The square root of 4251277525 is about 65201.8214852929. The cubic root of 4251277525 is about 1619.9681857543.

The spelling of 4251277525 in words is "four billion, two hundred fifty-one million, two hundred seventy-seven thousand, five hundred twenty-five".