5641625231 has 8 divisors (see below), whose sum is σ = 6208966224. Its totient is φ = 5083361920.

The previous prime is 5641625221. The next prime is 5641625237. The reversal of 5641625231 is 1325261465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5641625231 - 2¹⁸ = 5641363087 is a prime.

It is a super-2 number, since 2×5641625231² = 63655870494111606722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5641625191 and 5641625200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641625237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268116 + ... + 2270601.

It is an arithmetic number, because the mean of its divisors is an integer number (776120778).

Almost surely, 2^5641625231 is an apocalyptic number.

5641625231 is a deficient number, since it is larger than the sum of its proper divisors (567340993).

5641625231 is a wasteful number, since it uses less digits than its factorization.

5641625231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538841.

The product of its digits is 43200, while the sum is 35.

The square root of 5641625231 is about 75110.7530983414. The cubic root of 5641625231 is about 1780.1970525230.

Adding to 5641625231 its reverse (1325261465), we get a palindrome (6966886696).

The spelling of 5641625231 in words is "five billion, six hundred forty-one million, six hundred twenty-five thousand, two hundred thirty-one".