2061066725 has 12 divisors (see below), whose sum is σ = 2563316964. Its totient is φ = 1643953920.

The previous prime is 2061066697. The next prime is 2061066727. The reversal of 2061066725 is 5276601602.

It can be written as a sum of positive squares in 6 ways, for example, as 505395361 + 1555671364 = 22481^2 + 39442^2 .

It is not a de Polignac number, because 2061066725 - 2¹² = 2061062629 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 (2061066727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113894 + ... + 130743.

It is an arithmetic number, because the mean of its divisors is an integer number (213609747).

Almost surely, 2^2061066725 is an apocalyptic number.

2061066725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2061066725 is a deficient number, since it is larger than the sum of its proper divisors (502250239).

2061066725 is a wasteful number, since it uses less digits than its factorization.

2061066725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244984 (or 244979 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2061066725 is about 45398.9727306687. The cubic root of 2061066725 is about 1272.6159165057.

The spelling of 2061066725 in words is "two billion, sixty-one million, sixty-six thousand, seven hundred twenty-five".