2105974225 has 12 divisors (see below), whose sum is σ = 2675102220. Its totient is φ = 1643686400.

The previous prime is 2105974223. The next prime is 2105974249. The reversal of 2105974225 is 5224795012.

It can be written as a sum of positive squares in 6 ways, for example, as 214681104 + 1891293121 = 14652^2 + 43489^2 .

It is not a de Polignac number, because 2105974225 - 2¹ = 2105974223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2105974223) 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, 1026280 + ... + 1028329.

It is an arithmetic number, because the mean of its divisors is an integer number (222925185).

Almost surely, 2^2105974225 is an apocalyptic number.

2105974225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2105974225 is a deficient number, since it is larger than the sum of its proper divisors (569127995).

2105974225 is a wasteful number, since it uses less digits than its factorization.

2105974225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054660 (or 2054655 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 2105974225 is about 45890.8947940656. The cubic root of 2105974225 is about 1281.7923752488.

The spelling of 2105974225 in words is "two billion, one hundred five million, nine hundred seventy-four thousand, two hundred twenty-five".