295840081 has 2 divisors, whose sum is σ = 295840082. Its totient is φ = 295840080.

The previous prime is 295840079. The next prime is 295840087. The reversal of 295840081 is 180048592.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295840000 + 81 = 17200^2 + 9^2 .

It is a cyclic number.

It is not a de Polignac number, because 295840081 - 2¹ = 295840079 is a prime.

It is a super-2 number, since 2×295840081² = 175042707052173122, which contains 22 as substring.

Together with 295840079, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 295840081.

It is not a weakly prime, because it can be changed into another prime (295840087) 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, 147920040 + 147920041.

It is an arithmetic number, because the mean of its divisors is an integer number (147920041).

Almost surely, 2^295840081 is an apocalyptic number.

It is an amenable number.

295840081 is a deficient number, since it is larger than the sum of its proper divisors (1).

295840081 is an equidigital number, since it uses as much as digits as its factorization.

295840081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 295840081 is about 17200.0023546510. The cubic root of 295840081 is about 666.3243294324.

It can be divided in two parts, 2958400 and 81, that multiplied together give a square (239630400 = 15480²).

The spelling of 295840081 in words is "two hundred ninety-five million, eight hundred forty thousand, eighty-one".