2851975 has 24 divisors (see below), whose sum is σ = 4146560. Its totient is φ = 1905120.

The previous prime is 2851973. The next prime is 2851991. The reversal of 2851975 is 5791582.

It is not a de Polignac number, because 2851975 - 2¹ = 2851973 is a prime.

It is a super-2 number, since 2×2851975² = 16267522801250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7336 + ... + 7714.

2^2851975 is an apocalyptic number.

2851975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2851975 is a deficient number, since it is larger than the sum of its proper divisors (1294585).

2851975 is a wasteful number, since it uses less digits than its factorization.

2851975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 434 counting only the distinct ones).

The product of its digits is 25200, while the sum is 37.

The square root of 2851975 is about 1688.7791448262. The cubic root of 2851975 is about 141.8127366890.

It can be divided in two parts, 28 and 51975, that added together give a triangular number (52003 = T₃₂₂).

The spelling of 2851975 in words is "two million, eight hundred fifty-one thousand, nine hundred seventy-five".