2051574171 has 16 divisors (see below), whose sum is σ = 2857469184. Its totient is φ = 1306827104.

The previous prime is 2051574167. The next prime is 2051574179. The reversal of 2051574171 is 1714751502.

It is a cyclic number.

It is not a de Polignac number, because 2051574171 - 2² = 2051574167 is a prime.

It is a super-2 number, since 2×2051574171² = 8417913158228674482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2051574179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49645 + ... + 81041.

It is an arithmetic number, because the mean of its divisors is an integer number (178591824).

Almost surely, 2^2051574171 is an apocalyptic number.

2051574171 is a deficient number, since it is larger than the sum of its proper divisors (805895013).

2051574171 is a wasteful number, since it uses less digits than its factorization.

2051574171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32370.

The product of its (nonzero) digits is 9800, while the sum is 33.

The square root of 2051574171 is about 45294.3061653449. The cubic root of 2051574171 is about 1270.6591678054.

The spelling of 2051574171 in words is "two billion, fifty-one million, five hundred seventy-four thousand, one hundred seventy-one".