285196151 has 2 divisors, whose sum is σ = 285196152. Its totient is φ = 285196150.

The previous prime is 285196117. The next prime is 285196157. The reversal of 285196151 is 151691582.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285196151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285196157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142598075 + 142598076.

It is an arithmetic number, because the mean of its divisors is an integer number (142598076).

Almost surely, 2^285196151 is an apocalyptic number.

285196151 is a deficient number, since it is larger than the sum of its proper divisors (1).

285196151 is an equidigital number, since it uses as much as digits as its factorization.

285196151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 38.

The square root of 285196151 is about 16887.7515081197. The cubic root of 285196151 is about 658.2353772466.

The spelling of 285196151 in words is "two hundred eighty-five million, one hundred ninety-six thousand, one hundred fifty-one".