2051512275 has 24 divisors (see below), whose sum is σ = 3393147904. Its totient is φ = 1093716000.

The previous prime is 2051512261. The next prime is 2051512283. The reversal of 2051512275 is 5722151502.

It is not a de Polignac number, because 2051512275 - 2⁷ = 2051512147 is a prime.

It is a super-2 number, since 2×2051512275² = 8417405228951351250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330450 + ... + 336600.

Almost surely, 2^2051512275 is an apocalyptic number.

2051512275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2051512275 is a deficient number, since it is larger than the sum of its proper divisors (1341635629).

2051512275 is a wasteful number, since it uses less digits than its factorization.

2051512275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611 (or 10606 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 2051512275 is about 45293.6228955026. The cubic root of 2051512275 is about 1270.6463890797.

Adding to 2051512275 its reverse (5722151502), we get a palindrome (7773663777).

The spelling of 2051512275 in words is "two billion, fifty-one million, five hundred twelve thousand, two hundred seventy-five".