275505331 has 2 divisors, whose sum is σ = 275505332. Its totient is φ = 275505330.

The previous prime is 275505319. The next prime is 275505359. The reversal of 275505331 is 133505572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275505331 - 2⁵ = 275505299 is a prime.

It is a super-2 number, since 2×275505331² = 151806374818839122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 275505293 and 275505302.

It is not a weakly prime, because it can be changed into another prime (275505361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137752665 + 137752666.

It is an arithmetic number, because the mean of its divisors is an integer number (137752666).

Almost surely, 2^275505331 is an apocalyptic number.

275505331 is a deficient number, since it is larger than the sum of its proper divisors (1).

275505331 is an equidigital number, since it uses as much as digits as its factorization.

275505331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 275505331 is about 16598.3532616944. The cubic root of 275505331 is about 650.6938004071.

The spelling of 275505331 in words is "two hundred seventy-five million, five hundred five thousand, three hundred thirty-one".