275210149 has 2 divisors, whose sum is σ = 275210150. Its totient is φ = 275210148.

The previous prime is 275210147. The next prime is 275210179. The reversal of 275210149 is 941012572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163379524 + 111830625 = 12782^2 + 10575^2 .

It is a cyclic number.

It is not a de Polignac number, because 275210149 - 2¹ = 275210147 is a prime.

It is a super-2 number, since 2×275210149² = 151481252225204402, which contains 22 as substring.

Together with 275210147, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 275210149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275210147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137605074 + 137605075.

It is an arithmetic number, because the mean of its divisors is an integer number (137605075).

Almost surely, 2^275210149 is an apocalyptic number.

It is an amenable number.

275210149 is a deficient number, since it is larger than the sum of its proper divisors (1).

275210149 is an equidigital number, since it uses as much as digits as its factorization.

275210149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 275210149 is about 16589.4589724921. The cubic root of 275210149 is about 650.4613285168.

The spelling of 275210149 in words is "two hundred seventy-five million, two hundred ten thousand, one hundred forty-nine".