275486401 has 2 divisors, whose sum is σ = 275486402. Its totient is φ = 275486400.

The previous prime is 275486381. The next prime is 275486413. The reversal of 275486401 is 104684572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272250000 + 3236401 = 16500^2 + 1799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275486401 is a prime.

It is not a weakly prime, because it can be changed into another prime (275486501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137743200 + 137743201.

It is an arithmetic number, because the mean of its divisors is an integer number (137743201).

Almost surely, 2^275486401 is an apocalyptic number.

It is an amenable number.

275486401 is a deficient number, since it is larger than the sum of its proper divisors (1).

275486401 is an equidigital number, since it uses as much as digits as its factorization.

275486401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 275486401 is about 16597.7830146077. The cubic root of 275486401 is about 650.6788969861.

The spelling of 275486401 in words is "two hundred seventy-five million, four hundred eighty-six thousand, four hundred one".