4975581 has 8 divisors (see below), whose sum is σ = 7144480. Its totient is φ = 3061872.

The previous prime is 4975571. The next prime is 4975589. The reversal of 4975581 is 1855794.

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

It is not a de Polignac number, because 4975581 - 2⁶ = 4975517 is a prime.

It is a super-2 number, since 2×4975581² = 49512812575122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 127579 = 4975581 / (4 + 9 + 7 + 5 + 5 + 8 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4975589) 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, 63751 + ... + 63828.

It is an arithmetic number, because the mean of its divisors is an integer number (893060).

Almost surely, 2^4975581 is an apocalyptic number.

It is an amenable number.

4975581 is a deficient number, since it is larger than the sum of its proper divisors (2168899).

4975581 is a wasteful number, since it uses less digits than its factorization.

4975581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127595.

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

The square root of 4975581 is about 2230.6010400787. The cubic root of 4975581 is about 170.7187675776.

The spelling of 4975581 in words is "four million, nine hundred seventy-five thousand, five hundred eighty-one".