261160363 has 2 divisors, whose sum is σ = 261160364. Its totient is φ = 261160362.

The previous prime is 261160351. The next prime is 261160381. The reversal of 261160363 is 363061162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261160363 - 2¹⁷ = 261029291 is a prime.

It is not a weakly prime, because it can be changed into another prime (261161363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130580181 + 130580182.

It is an arithmetic number, because the mean of its divisors is an integer number (130580182).

Almost surely, 2^261160363 is an apocalyptic number.

261160363 is a deficient number, since it is larger than the sum of its proper divisors (1).

261160363 is an equidigital number, since it uses as much as digits as its factorization.

261160363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 261160363 is about 16160.4567695347. The cubic root of 261160363 is about 639.1985108528.

The spelling of 261160363 in words is "two hundred sixty-one million, one hundred sixty thousand, three hundred sixty-three".