4020527725 has 6 divisors (see below), whose sum is σ = 4985454410. Its totient is φ = 3216422160.

The previous prime is 4020527717. The next prime is 4020527747. The reversal of 4020527725 is 5277250204.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 67010596 + 3953517129 = 8186^2 + 62877^2 .

It is not a de Polignac number, because 4020527725 - 2³ = 4020527717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80410530 + ... + 80410579.

Almost surely, 2^4020527725 is an apocalyptic number.

It is an amenable number.

4020527725 is a deficient number, since it is larger than the sum of its proper divisors (964926685).

4020527725 is a wasteful number, since it uses less digits than its factorization.

4020527725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160821119 (or 160821114 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 4020527725 is about 63407.6314413336. The cubic root of 4020527725 is about 1590.1118976403. Note that the first 3 decimals are identical.

Adding to 4020527725 its reverse (5277250204), we get a palindrome (9297777929).

The spelling of 4020527725 in words is "four billion, twenty million, five hundred twenty-seven thousand, seven hundred twenty-five".