5725781 has 8 divisors (see below), whose sum is σ = 6013440. Its totient is φ = 5441392.

The previous prime is 5725777. The next prime is 5725799. The reversal of 5725781 is 1875275.

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 5725781 - 2² = 5725777 is a prime.

It is a super-2 number, since 2×5725781² = 65569136119922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5725721) 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, 3260 + ... + 4698.

It is an arithmetic number, because the mean of its divisors is an integer number (751680).

Almost surely, 2^5725781 is an apocalyptic number.

It is an amenable number.

5725781 is a deficient number, since it is larger than the sum of its proper divisors (287659).

5725781 is a wasteful number, since it uses less digits than its factorization.

5725781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635.

The product of its digits is 19600, while the sum is 35.

The square root of 5725781 is about 2392.8604221726. The cubic root of 5725781 is about 178.9005096135.

The spelling of 5725781 in words is "five million, seven hundred twenty-five thousand, seven hundred eighty-one".