7281012461 has 4 divisors (see below), whose sum is σ = 7281464124. Its totient is φ = 7280560800.

The previous prime is 7281012443. The next prime is 7281012491. The reversal of 7281012461 is 1642101827.

It is a happy number.

7281012461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4320564361 + 2960448100 = 65731^2 + 54410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7281012461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7281012491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200720 + ... + 234201.

It is an arithmetic number, because the mean of its divisors is an integer number (1820366031).

Almost surely, 2^7281012461 is an apocalyptic number.

It is an amenable number.

7281012461 is a deficient number, since it is larger than the sum of its proper divisors (451663).

7281012461 is a wasteful number, since it uses less digits than its factorization.

7281012461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451662.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 7281012461 is about 85328.8489375076. The cubic root of 7281012461 is about 1938.1940593595.

The spelling of 7281012461 in words is "seven billion, two hundred eighty-one million, twelve thousand, four hundred sixty-one".