2571106 has 4 divisors (see below), whose sum is σ = 3856662. Its totient is φ = 1285552.

The previous prime is 2571073. The next prime is 2571113. The reversal of 2571106 is 6011752.

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., 2430481 + 140625 = 1559^2 + 375^2 .

It is a super-2 number, since 2×2571106² = 13221172126472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642775 + ... + 642778.

2^2571106 is an apocalyptic number.

2571106 is a deficient number, since it is larger than the sum of its proper divisors (1285556).

2571106 is a wasteful number, since it uses less digits than its factorization.

2571106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285555.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 2571106 is about 1603.4668690060. The cubic root of 2571106 is about 136.9956131936.

Adding to 2571106 its reverse (6011752), we get a palindrome (8582858).

The spelling of 2571106 in words is "two million, five hundred seventy-one thousand, one hundred six".