5681501461 has 4 divisors (see below), whose sum is σ = 5682120192. Its totient is φ = 5680882732.

The previous prime is 5681501459. The next prime is 5681501519. The reversal of 5681501461 is 1641051865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5681501461 - 2¹ = 5681501459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5681501461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681501411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295381 + ... + 314026.

It is an arithmetic number, because the mean of its divisors is an integer number (1420530048).

Almost surely, 2^5681501461 is an apocalyptic number.

It is an amenable number.

5681501461 is a deficient number, since it is larger than the sum of its proper divisors (618731).

5681501461 is an equidigital number, since it uses as much as digits as its factorization.

5681501461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618730.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 5681501461 is about 75375.7352269283. The cubic root of 5681501461 is about 1784.3814820154.

The spelling of 5681501461 in words is "five billion, six hundred eighty-one million, five hundred one thousand, four hundred sixty-one".