5372581 has 4 divisors (see below), whose sum is σ = 5446252. Its totient is φ = 5298912.

The previous prime is 5372567. The next prime is 5372597. The reversal of 5372581 is 1852735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1852735 = 5 ⋅370547.

It can be written as a sum of positive squares in 2 ways, for example, as 3481956 + 1890625 = 1866^2 + 1375^2 .

It is a cyclic number.

It is not a de Polignac number, because 5372581 - 2¹³ = 5364389 is a prime.

It is a super-3 number, since 3×5372581³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

5372581 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5372551) 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, 36726 + ... + 36871.

It is an arithmetic number, because the mean of its divisors is an integer number (1361563).

Almost surely, 2^5372581 is an apocalyptic number.

It is an amenable number.

5372581 is a deficient number, since it is larger than the sum of its proper divisors (73671).

5372581 is an equidigital number, since it uses as much as digits as its factorization.

5372581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73670.

The product of its digits is 8400, while the sum is 31.

The square root of 5372581 is about 2317.8828702072. The cubic root of 5372581 is about 175.1436208749.

The spelling of 5372581 in words is "five million, three hundred seventy-two thousand, five hundred eighty-one".