5271636 has 12 divisors (see below), whose sum is σ = 12300512. Its totient is φ = 1757208.

The previous prime is 5271631. The next prime is 5271653. The reversal of 5271636 is 6361725.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×5271636² = 55580292232992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271631) 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, 219640 + ... + 219663.

Almost surely, 2^5271636 is an apocalyptic number.

It is an amenable number.

5271636 is an abundant number, since it is smaller than the sum of its proper divisors (7028876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5271636 is a wasteful number, since it uses less digits than its factorization.

5271636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439310 (or 439308 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 5271636 is about 2296.0043553966. The cubic root of 5271636 is about 174.0397583872.

The spelling of 5271636 in words is "five million, two hundred seventy-one thousand, six hundred thirty-six".