185480461 has 2 divisors, whose sum is σ = 185480462. Its totient is φ = 185480460.

The previous prime is 185480459. The next prime is 185480467. The reversal of 185480461 is 164084581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99102025 + 86378436 = 9955^2 + 9294^2 .

It is a cyclic number.

It is not a de Polignac number, because 185480461 - 2¹ = 185480459 is a prime.

Together with 185480459, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 185480461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185480467) 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, 92740230 + 92740231.

It is an arithmetic number, because the mean of its divisors is an integer number (92740231).

Almost surely, 2^185480461 is an apocalyptic number.

It is an amenable number.

185480461 is a deficient number, since it is larger than the sum of its proper divisors (1).

185480461 is an equidigital number, since it uses as much as digits as its factorization.

185480461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 185480461 is about 13619.1211537309. The cubic root of 185480461 is about 570.2947700765.

The spelling of 185480461 in words is "one hundred eighty-five million, four hundred eighty thousand, four hundred sixty-one".