4957581 has 8 divisors (see below), whose sum is σ = 6897600. Its totient is φ = 3161312.

The previous prime is 4957559. The next prime is 4957583. The reversal of 4957581 is 1857594.

4957581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4957581 - 2⁵ = 4957549 is a prime.

It is a super-2 number, since 2×4957581² = 49155218743122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4957583) 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, 35856 + ... + 35993.

It is an arithmetic number, because the mean of its divisors is an integer number (862200).

Almost surely, 2^4957581 is an apocalyptic number.

It is an amenable number.

4957581 is a deficient number, since it is larger than the sum of its proper divisors (1940019).

4957581 is a wasteful number, since it uses less digits than its factorization.

4957581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71875.

The product of its digits is 50400, while the sum is 39.

The square root of 4957581 is about 2226.5625973684. The cubic root of 4957581 is about 170.5126508846.

It can be divided in two parts, 49 and 57581, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 4957581 in words is "four million, nine hundred fifty-seven thousand, five hundred eighty-one".