275690971 has 2 divisors, whose sum is σ = 275690972. Its totient is φ = 275690970.

The previous prime is 275690953. The next prime is 275690977. The reversal of 275690971 is 179096572.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275690971 - 2¹¹ = 275688923 is a prime.

It is a super-2 number, since 2×275690971² = 152011022981845682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275690977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137845485 + 137845486.

It is an arithmetic number, because the mean of its divisors is an integer number (137845486).

Almost surely, 2^275690971 is an apocalyptic number.

275690971 is a deficient number, since it is larger than the sum of its proper divisors (1).

275690971 is an equidigital number, since it uses as much as digits as its factorization.

275690971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 275690971 is about 16603.9444410056. The cubic root of 275690971 is about 650.8399169700.

The spelling of 275690971 in words is "two hundred seventy-five million, six hundred ninety thousand, nine hundred seventy-one".