2571874 has 4 divisors (see below), whose sum is σ = 3857814. Its totient is φ = 1285936.

The previous prime is 2571871. The next prime is 2571893. The reversal of 2571874 is 4781752.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2537649 + 34225 = 1593^2 + 185^2 .

It is a super-2 number, since 2×2571874² = 13229071743752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2571871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642967 + ... + 642970.

2^2571874 is an apocalyptic number.

2571874 is a deficient number, since it is larger than the sum of its proper divisors (1285940).

2571874 is a wasteful number, since it uses less digits than its factorization.

2571874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285939.

The product of its digits is 15680, while the sum is 34.

The square root of 2571874 is about 1603.7063322192. The cubic root of 2571874 is about 137.0092522211.

The spelling of 2571874 in words is "two million, five hundred seventy-one thousand, eight hundred seventy-four".