276253273 has 2 divisors, whose sum is σ = 276253274. Its totient is φ = 276253272.

The previous prime is 276253267. The next prime is 276253277. The reversal of 276253273 is 372352672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155077209 + 121176064 = 12453^2 + 11008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276253273 is a prime.

It is not a weakly prime, because it can be changed into another prime (276253277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138126636 + 138126637.

It is an arithmetic number, because the mean of its divisors is an integer number (138126637).

Almost surely, 2^276253273 is an apocalyptic number.

It is an amenable number.

276253273 is a deficient number, since it is larger than the sum of its proper divisors (1).

276253273 is an equidigital number, since it uses as much as digits as its factorization.

276253273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 37.

The square root of 276253273 is about 16620.8685994445. The cubic root of 276253273 is about 651.2821029632.

The spelling of 276253273 in words is "two hundred seventy-six million, two hundred fifty-three thousand, two hundred seventy-three".