5131655 has 4 divisors (see below), whose sum is σ = 6157992. Its totient is φ = 4105320.

The previous prime is 5131649. The next prime is 5131657. The reversal of 5131655 is 5561315.

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

It is not a de Polignac number, because 5131655 - 2²² = 937351 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 513161 + ... + 513170.

It is an arithmetic number, because the mean of its divisors is an integer number (1539498).

Almost surely, 2^5131655 is an apocalyptic number.

5131655 is a deficient number, since it is larger than the sum of its proper divisors (1026337).

5131655 is a wasteful number, since it uses less digits than its factorization.

5131655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026336.

The product of its digits is 2250, while the sum is 26.

The square root of 5131655 is about 2265.3156512945. The cubic root of 5131655 is about 172.4854570110.

The spelling of 5131655 in words is "five million, one hundred thirty-one thousand, six hundred fifty-five".