5631995 has 4 divisors (see below), whose sum is σ = 6758400. Its totient is φ = 4505592.

The previous prime is 5631991. The next prime is 5632001. The reversal of 5631995 is 5991365.

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

It is a cyclic number.

It is not a de Polignac number, because 5631995 - 2² = 5631991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5631991) 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, 563195 + ... + 563204.

It is an arithmetic number, because the mean of its divisors is an integer number (1689600).

Almost surely, 2^5631995 is an apocalyptic number.

5631995 is a deficient number, since it is larger than the sum of its proper divisors (1126405).

5631995 is a wasteful number, since it uses less digits than its factorization.

5631995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126404.

The product of its digits is 36450, while the sum is 38.

The square root of 5631995 is about 2373.1824624331. The cubic root of 5631995 is about 177.9183545945.

The spelling of 5631995 in words is "five million, six hundred thirty-one thousand, nine hundred ninety-five".