5247581 has 2 divisors, whose sum is σ = 5247582. Its totient is φ = 5247580.

The previous prime is 5247533. The next prime is 5247589. The reversal of 5247581 is 1857425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5244100 + 3481 = 2290^2 + 59^2 .

It is a cyclic number.

It is not a de Polignac number, because 5247581 - 2¹⁴ = 5231197 is a prime.

It is a super-2 number, since 2×5247581² = 55074212703122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5247589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2623790 + 2623791.

It is an arithmetic number, because the mean of its divisors is an integer number (2623791).

Almost surely, 2^5247581 is an apocalyptic number.

It is an amenable number.

5247581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5247581 is an equidigital number, since it uses as much as digits as its factorization.

5247581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 32.

The square root of 5247581 is about 2290.7599175819. The cubic root of 5247581 is about 173.7746344658.

The spelling of 5247581 in words is "five million, two hundred forty-seven thousand, five hundred eighty-one".