275078563 has 2 divisors, whose sum is σ = 275078564. Its totient is φ = 275078562.

The previous prime is 275078549. The next prime is 275078569. The reversal of 275078563 is 365870572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275078563 - 2⁹ = 275078051 is a prime.

It is not a weakly prime, because it can be changed into another prime (275078569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137539281 + 137539282.

It is an arithmetic number, because the mean of its divisors is an integer number (137539282).

Almost surely, 2^275078563 is an apocalyptic number.

275078563 is a deficient number, since it is larger than the sum of its proper divisors (1).

275078563 is an equidigital number, since it uses as much as digits as its factorization.

275078563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 275078563 is about 16585.4925461983. The cubic root of 275078563 is about 650.3576438118.

The spelling of 275078563 in words is "two hundred seventy-five million, seventy-eight thousand, five hundred sixty-three".