5571651 has 4 divisors (see below), whose sum is σ = 7428872. Its totient is φ = 3714432.

The previous prime is 5571649. The next prime is 5571659. The reversal of 5571651 is 1561755.

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

It is not a de Polignac number, because 5571651 - 2¹ = 5571649 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5571659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928606 + ... + 928611.

It is an arithmetic number, because the mean of its divisors is an integer number (1857218).

Almost surely, 2^5571651 is an apocalyptic number.

5571651 is a deficient number, since it is larger than the sum of its proper divisors (1857221).

5571651 is a wasteful number, since it uses less digits than its factorization.

5571651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857220.

The product of its digits is 5250, while the sum is 30.

The square root of 5571651 is about 2360.4344939015. The cubic root of 5571651 is about 177.2806362379.

The spelling of 5571651 in words is "five million, five hundred seventy-one thousand, six hundred fifty-one".