275216801 has 4 divisors (see below), whose sum is σ = 276600000. Its totient is φ = 273833604.

The previous prime is 275216783. The next prime is 275216807. The reversal of 275216801 is 108612572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 275216801 - 2²² = 271022497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275216807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691301 + ... + 691698.

It is an arithmetic number, because the mean of its divisors is an integer number (69150000).

Almost surely, 2^275216801 is an apocalyptic number.

It is an amenable number.

275216801 is a deficient number, since it is larger than the sum of its proper divisors (1383199).

275216801 is a wasteful number, since it uses less digits than its factorization.

275216801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383198.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 275216801 is about 16589.6594600371. The cubic root of 275216801 is about 650.4665691591.

The spelling of 275216801 in words is "two hundred seventy-five million, two hundred sixteen thousand, eight hundred one".