275385377 has 2 divisors, whose sum is σ = 275385378. Its totient is φ = 275385376.

The previous prime is 275385347. The next prime is 275385401. The reversal of 275385377 is 773583572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202094656 + 73290721 = 14216^2 + 8561^2 .

It is a cyclic number.

It is not a de Polignac number, because 275385377 - 2¹⁰ = 275384353 is a prime.

It is not a weakly prime, because it can be changed into another prime (275385337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137692688 + 137692689.

It is an arithmetic number, because the mean of its divisors is an integer number (137692689).

Almost surely, 2^275385377 is an apocalyptic number.

It is an amenable number.

275385377 is a deficient number, since it is larger than the sum of its proper divisors (1).

275385377 is an equidigital number, since it uses as much as digits as its factorization.

275385377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1234800, while the sum is 47.

The square root of 275385377 is about 16594.7394375447. The cubic root of 275385377 is about 650.5993501417.

The spelling of 275385377 in words is "two hundred seventy-five million, three hundred eighty-five thousand, three hundred seventy-seven".