5745631 has 2 divisors, whose sum is σ = 5745632. Its totient is φ = 5745630.

The previous prime is 5745629. The next prime is 5745647. The reversal of 5745631 is 1365475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5745631 - 2¹ = 5745629 is a prime.

It is a super-2 number, since 2×5745631² = 66024551176322, which contains 22 as substring.

Together with 5745629, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 5745593 and 5745602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5745671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2872815 + 2872816.

It is an arithmetic number, because the mean of its divisors is an integer number (2872816).

Almost surely, 2^5745631 is an apocalyptic number.

5745631 is a deficient number, since it is larger than the sum of its proper divisors (1).

5745631 is an equidigital number, since it uses as much as digits as its factorization.

5745631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 31.

The square root of 5745631 is about 2397.0045890653. The cubic root of 5745631 is about 179.1070071662.

It can be divided in two parts, 574563 and 1, that added together give a square (574564 = 758²).

The spelling of 5745631 in words is "five million, seven hundred forty-five thousand, six hundred thirty-one".