285474619 has 2 divisors, whose sum is σ = 285474620. Its totient is φ = 285474618.

The previous prime is 285474617. The next prime is 285474641. The reversal of 285474619 is 916474582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285474619 - 2¹ = 285474617 is a prime.

It is a super-2 number, since 2×285474619² = 162991516186390322, which contains 22 as substring.

Together with 285474617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (285474617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142737309 + 142737310.

It is an arithmetic number, because the mean of its divisors is an integer number (142737310).

Almost surely, 2^285474619 is an apocalyptic number.

285474619 is a deficient number, since it is larger than the sum of its proper divisors (1).

285474619 is an equidigital number, since it uses as much as digits as its factorization.

285474619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 285474619 is about 16895.9941702168. The cubic root of 285474619 is about 658.4495431378.

The spelling of 285474619 in words is "two hundred eighty-five million, four hundred seventy-four thousand, six hundred nineteen".