7424861 has 2 divisors, whose sum is σ = 7424862. Its totient is φ = 7424860.

The previous prime is 7424849. The next prime is 7424887. The reversal of 7424861 is 1684247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6943225 + 481636 = 2635^2 + 694^2 .

It is an emirp because it is prime and its reverse (1684247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7424861 - 2⁶ = 7424797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7424761) 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 as a sum of consecutive naturals, namely, 3712430 + 3712431.

It is an arithmetic number, because the mean of its divisors is an integer number (3712431).

Almost surely, 2^7424861 is an apocalyptic number.

It is an amenable number.

7424861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7424861 is an equidigital number, since it uses as much as digits as its factorization.

7424861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 32.

The square root of 7424861 is about 2724.8598129078. The cubic root of 7424861 is about 195.0874996315.

The spelling of 7424861 in words is "seven million, four hundred twenty-four thousand, eight hundred sixty-one".