2061205125 has 32 divisors (see below), whose sum is σ = 3919828224. Its totient is φ = 942264000.

The previous prime is 2061205109. The next prime is 2061205169. The reversal of 2061205125 is 5215021602.

It is a happy number.

It is not a de Polignac number, because 2061205125 - 2⁴ = 2061205109 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2061205095 and 2061205104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389986 + ... + 395235.

It is an arithmetic number, because the mean of its divisors is an integer number (122494632).

Almost surely, 2^2061205125 is an apocalyptic number.

2061205125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2061205125 is a deficient number, since it is larger than the sum of its proper divisors (1858623099).

2061205125 is an equidigital number, since it uses as much as digits as its factorization.

2061205125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785246 (or 785236 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2061205125 is about 45400.4969686456. The cubic root of 2061205125 is about 1272.6444011246.

Adding to 2061205125 its reverse (5215021602), we get a palindrome (7276226727).

The spelling of 2061205125 in words is "two billion, sixty-one million, two hundred five thousand, one hundred twenty-five".