285441379 has 2 divisors, whose sum is σ = 285441380. Its totient is φ = 285441378.

The previous prime is 285441367. The next prime is 285441413. The reversal of 285441379 is 973144582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285441379 - 2⁹ = 285440867 is a prime.

It is not a weakly prime, because it can be changed into another prime (285441329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142720689 + 142720690.

It is an arithmetic number, because the mean of its divisors is an integer number (142720690).

Almost surely, 2^285441379 is an apocalyptic number.

285441379 is a deficient number, since it is larger than the sum of its proper divisors (1).

285441379 is an equidigital number, since it uses as much as digits as its factorization.

285441379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 285441379 is about 16895.0104764691. The cubic root of 285441379 is about 658.4239860353.

The spelling of 285441379 in words is "two hundred eighty-five million, four hundred forty-one thousand, three hundred seventy-nine".