7861241 has 2 divisors, whose sum is σ = 7861242. Its totient is φ = 7861240.

The previous prime is 7861229. The next prime is 7861289. The reversal of 7861241 is 1421687.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6651241 + 1210000 = 2579^2 + 1100^2 .

It is a cyclic number.

It is not a de Polignac number, because 7861241 - 2¹⁰ = 7860217 is a prime.

It is a super-2 number, since 2×7861241² = 123598220120162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7861201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3930620 + 3930621.

It is an arithmetic number, because the mean of its divisors is an integer number (3930621).

Almost surely, 2^7861241 is an apocalyptic number.

It is an amenable number.

7861241 is a deficient number, since it is larger than the sum of its proper divisors (1).

7861241 is an equidigital number, since it uses as much as digits as its factorization.

7861241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 7861241 is about 2803.7904700601. The cubic root of 7861241 is about 198.8369243868.

The spelling of 7861241 in words is "seven million, eight hundred sixty-one thousand, two hundred forty-one".