5631151 has 4 divisors (see below), whose sum is σ = 5762152. Its totient is φ = 5500152.

The previous prime is 5631121. The next prime is 5631169. The reversal of 5631151 is 1511365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1511365 = 5 ⋅302273.

It is a cyclic number.

It is not a de Polignac number, because 5631151 - 2¹³ = 5622959 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 (5631121) 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, 65436 + ... + 65521.

It is an arithmetic number, because the mean of its divisors is an integer number (1440538).

Almost surely, 2^5631151 is an apocalyptic number.

5631151 is a deficient number, since it is larger than the sum of its proper divisors (131001).

5631151 is a wasteful number, since it uses less digits than its factorization.

5631151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131000.

The product of its digits is 450, while the sum is 22.

The square root of 5631151 is about 2373.0046354780. The cubic root of 5631151 is about 177.9094666490.

Subtracting from 5631151 its sum of digits (22), we obtain a square (5631129 = 2373²).

The spelling of 5631151 in words is "five million, six hundred thirty-one thousand, one hundred fifty-one".