276042001 has 2 divisors, whose sum is σ = 276042002. Its totient is φ = 276042000.

The previous prime is 276041999. The next prime is 276042023. The reversal of 276042001 is 100240672.

It is an a-pointer prime, because the next prime (276042023) can be obtained adding 276042001 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245736976 + 30305025 = 15676^2 + 5505^2 .

It is a cyclic number.

It is not a de Polignac number, because 276042001 - 2¹ = 276041999 is a prime.

Together with 276041999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (276042031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138021000 + 138021001.

It is an arithmetic number, because the mean of its divisors is an integer number (138021001).

Almost surely, 2^276042001 is an apocalyptic number.

It is an amenable number.

276042001 is a deficient number, since it is larger than the sum of its proper divisors (1).

276042001 is an equidigital number, since it uses as much as digits as its factorization.

276042001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 276042001 is about 16614.5117593025. The cubic root of 276042001 is about 651.1160322134.

Adding to 276042001 its reverse (100240672), we get a palindrome (376282673).

The spelling of 276042001 in words is "two hundred seventy-six million, forty-two thousand, one".