8724241 has 2 divisors, whose sum is σ = 8724242. Its totient is φ = 8724240.

The previous prime is 8724223. The next prime is 8724253. The reversal of 8724241 is 1424278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8288641 + 435600 = 2879^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 8724241 - 2¹¹ = 8722193 is a prime.

It is a super-2 number, since 2×8724241² = 152224762052162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8724641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4362120 + 4362121.

It is an arithmetic number, because the mean of its divisors is an integer number (4362121).

Almost surely, 2^8724241 is an apocalyptic number.

It is an amenable number.

8724241 is a deficient number, since it is larger than the sum of its proper divisors (1).

8724241 is an equidigital number, since it uses as much as digits as its factorization.

8724241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 28.

The square root of 8724241 is about 2953.6826166669. The cubic root of 8724241 is about 205.8618563557.

The spelling of 8724241 in words is "eight million, seven hundred twenty-four thousand, two hundred forty-one".