5131656 has 48 divisors (see below), whose sum is σ = 14002560. Its totient is φ = 1697760.

The previous prime is 5131649. The next prime is 5131657. The reversal of 5131656 is 6561315.

It is a happy number.

5131656 is a `hidden beast` number, since 5 + 1 + 3 + 1 + 656 = 666.

It is not an unprimeable number, because it can be changed into a prime (5131657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18801 + ... + 19071.

It is an arithmetic number, because the mean of its divisors is an integer number (291720).

Almost surely, 2^5131656 is an apocalyptic number.

It is an amenable number.

5131656 is an abundant number, since it is smaller than the sum of its proper divisors (8870904).

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

5131656 is a wasteful number, since it uses less digits than its factorization.

5131656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 539 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 5131656 is about 2265.3158720143. The cubic root of 5131656 is about 172.4854682150.

The spelling of 5131656 in words is "five million, one hundred thirty-one thousand, six hundred fifty-six".