5601731 has 4 divisors (see below), whose sum is σ = 5782464. Its totient is φ = 5421000.

The previous prime is 5601703. The next prime is 5601737. The reversal of 5601731 is 1371065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1371065 = 5 ⋅274213.

It is a cyclic number.

It is not a de Polignac number, because 5601731 - 2⁶ = 5601667 is a prime.

It is a super-2 number, since 2×5601731² = 62758780392722, 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 = 5601697 and 5601706.

It is not an unprimeable number, because it can be changed into a prime (5601737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90320 + ... + 90381.

It is an arithmetic number, because the mean of its divisors is an integer number (1445616).

Almost surely, 2^5601731 is an apocalyptic number.

5601731 is a deficient number, since it is larger than the sum of its proper divisors (180733).

5601731 is a wasteful number, since it uses less digits than its factorization.

5601731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180732.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 5601731 is about 2366.7976254847. The cubic root of 5601731 is about 177.5990956282.

Adding to 5601731 its reverse (1371065), we get a palindrome (6972796).

The spelling of 5601731 in words is "five million, six hundred one thousand, seven hundred thirty-one".