275451131 has 2 divisors, whose sum is σ = 275451132. Its totient is φ = 275451130.

The previous prime is 275451109. The next prime is 275451133. The reversal of 275451131 is 131154572.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275451131 is a prime.

It is a super-2 number, since 2×275451131² = 151746651138358322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 275451133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 275451094 and 275451103.

It is not a weakly prime, because it can be changed into another prime (275451133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137725565 + 137725566.

It is an arithmetic number, because the mean of its divisors is an integer number (137725566).

Almost surely, 2^275451131 is an apocalyptic number.

275451131 is a deficient number, since it is larger than the sum of its proper divisors (1).

275451131 is an equidigital number, since it uses as much as digits as its factorization.

275451131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 29.

The square root of 275451131 is about 16596.7204893015. The cubic root of 275451131 is about 650.6511274071.

The spelling of 275451131 in words is "two hundred seventy-five million, four hundred fifty-one thousand, one hundred thirty-one".