275661007 has 2 divisors, whose sum is σ = 275661008. Its totient is φ = 275661006.

The previous prime is 275660977. The next prime is 275661019. The reversal of 275661007 is 700166572.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275661007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275661077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137830503 + 137830504.

It is an arithmetic number, because the mean of its divisors is an integer number (137830504).

Almost surely, 2^275661007 is an apocalyptic number.

275661007 is a deficient number, since it is larger than the sum of its proper divisors (1).

275661007 is an equidigital number, since it uses as much as digits as its factorization.

275661007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 275661007 is about 16603.0421007718. The cubic root of 275661007 is about 650.8163368557.

The spelling of 275661007 in words is "two hundred seventy-five million, six hundred sixty-one thousand, seven".