1835105225 has 12 divisors (see below), whose sum is σ = 2279492124. Its totient is φ = 1465528320.

The previous prime is 1835105221. The next prime is 1835105227. The reversal of 1835105225 is 5225015381.

It can be written as a sum of positive squares in 6 ways, for example, as 182329 + 1834922896 = 427^2 + 42836^2 .

It is not a de Polignac number, because 1835105225 - 2² = 1835105221 is a prime.

It is a super-2 number, since 2×1835105225² = 6735222373644601250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1835105191 and 1835105200.

It is not an unprimeable number, because it can be changed into a prime (1835105221) 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, 49184 + ... + 78033.

It is an arithmetic number, because the mean of its divisors is an integer number (189957677).

Almost surely, 2^1835105225 is an apocalyptic number.

It is an amenable number.

1835105225 is a deficient number, since it is larger than the sum of its proper divisors (444386899).

1835105225 is a wasteful number, since it uses less digits than its factorization.

1835105225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127804 (or 127799 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 1835105225 is about 42838.1281687237. The cubic root of 1835105225 is about 1224.2975787016.

The spelling of 1835105225 in words is "one billion, eight hundred thirty-five million, one hundred five thousand, two hundred twenty-five".