262148881 has 2 divisors, whose sum is σ = 262148882. Its totient is φ = 262148880.

The previous prime is 262148849. The next prime is 262148899. The reversal of 262148881 is 188841262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262148481 + 400 = 16191^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 262148881 - 2⁵ = 262148849 is a prime.

It is a super-2 number, since 2×262148881² = 137444071619104322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (262148801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131074440 + 131074441.

It is an arithmetic number, because the mean of its divisors is an integer number (131074441).

Almost surely, 2^262148881 is an apocalyptic number.

It is an amenable number.

262148881 is a deficient number, since it is larger than the sum of its proper divisors (1).

262148881 is an equidigital number, since it uses as much as digits as its factorization.

262148881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49152, while the sum is 40.

The square root of 262148881 is about 16191.0123525368. The cubic root of 262148881 is about 640.0039721433.

The spelling of 262148881 in words is "two hundred sixty-two million, one hundred forty-eight thousand, eight hundred eighty-one".