261482203 has 2 divisors, whose sum is σ = 261482204. Its totient is φ = 261482202.

The previous prime is 261482191. The next prime is 261482261. The reversal of 261482203 is 302284162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261482203 - 2⁹ = 261481691 is a prime.

It is not a weakly prime, because it can be changed into another prime (261482003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130741101 + 130741102.

It is an arithmetic number, because the mean of its divisors is an integer number (130741102).

Almost surely, 2^261482203 is an apocalyptic number.

261482203 is a deficient number, since it is larger than the sum of its proper divisors (1).

261482203 is an equidigital number, since it uses as much as digits as its factorization.

261482203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 261482203 is about 16170.4113429436. The cubic root of 261482203 is about 639.4609743679.

The spelling of 261482203 in words is "two hundred sixty-one million, four hundred eighty-two thousand, two hundred three".