275712329 has 2 divisors, whose sum is σ = 275712330. Its totient is φ = 275712328.

The previous prime is 275712323. The next prime is 275712337. The reversal of 275712329 is 923217572.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270536704 + 5175625 = 16448^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 275712329 - 2¹⁶ = 275646793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 275712292 and 275712301.

It is not a weakly prime, because it can be changed into another prime (275712323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137856164 + 137856165.

It is an arithmetic number, because the mean of its divisors is an integer number (137856165).

Almost surely, 2^275712329 is an apocalyptic number.

It is an amenable number.

275712329 is a deficient number, since it is larger than the sum of its proper divisors (1).

275712329 is an equidigital number, since it uses as much as digits as its factorization.

275712329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 275712329 is about 16604.5875889767. The cubic root of 275712329 is about 650.8567235656.

The spelling of 275712329 in words is "two hundred seventy-five million, seven hundred twelve thousand, three hundred twenty-nine".