5671971 has 16 divisors (see below), whose sum is σ = 8507520. Its totient is φ = 3734280.

The previous prime is 5671969. The next prime is 5671979. The reversal of 5671971 is 1791765.

5671971 = T₃₃₃ + T₃₃₄ + ... + T₄₁₃.

5671971 is a `hidden beast` number, since 567 + 1 + 97 + 1 = 666.

It is not a de Polignac number, because 5671971 - 2¹ = 5671969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5671979) 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, 976 + ... + 3506.

It is an arithmetic number, because the mean of its divisors is an integer number (531720).

Almost surely, 2^5671971 is an apocalyptic number.

5671971 is a deficient number, since it is larger than the sum of its proper divisors (2835549).

5671971 is a wasteful number, since it uses less digits than its factorization.

5671971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623 (or 2617 counting only the distinct ones).

The product of its digits is 13230, while the sum is 36.

The square root of 5671971 is about 2381.5900150950. The cubic root of 5671971 is about 178.3383183940.

It can be divided in two parts, 56 and 71971, that added together give a palindrome (72027).

The spelling of 5671971 in words is "five million, six hundred seventy-one thousand, nine hundred seventy-one".