261641483 has 2 divisors, whose sum is σ = 261641484. Its totient is φ = 261641482.

The previous prime is 261641449. The next prime is 261641489. The reversal of 261641483 is 384146162.

261641483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 261641483 - 2¹⁰ = 261640459 is a prime.

It is not a weakly prime, because it can be changed into another prime (261641489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130820741 + 130820742.

It is an arithmetic number, because the mean of its divisors is an integer number (130820742).

Almost surely, 2^261641483 is an apocalyptic number.

261641483 is a deficient number, since it is larger than the sum of its proper divisors (1).

261641483 is an equidigital number, since it uses as much as digits as its factorization.

261641483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 261641483 is about 16175.3356379396. The cubic root of 261641483 is about 639.5907890280.

The spelling of 261641483 in words is "two hundred sixty-one million, six hundred forty-one thousand, four hundred eighty-three".