275584427 has 2 divisors, whose sum is σ = 275584428. Its totient is φ = 275584426.

The previous prime is 275584423. The next prime is 275584481. The reversal of 275584427 is 724485572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275584427 - 2² = 275584423 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (275584423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137792213 + 137792214.

It is an arithmetic number, because the mean of its divisors is an integer number (137792214).

Almost surely, 2^275584427 is an apocalyptic number.

275584427 is a deficient number, since it is larger than the sum of its proper divisors (1).

275584427 is an equidigital number, since it uses as much as digits as its factorization.

275584427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 627200, while the sum is 44.

The square root of 275584427 is about 16600.7357367076. The cubic root of 275584427 is about 650.7560646013.

The spelling of 275584427 in words is "two hundred seventy-five million, five hundred eighty-four thousand, four hundred twenty-seven".