275225207 has 2 divisors, whose sum is σ = 275225208. Its totient is φ = 275225206.

The previous prime is 275225183. The next prime is 275225221. The reversal of 275225207 is 702522572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275225207 - 2¹⁸ = 274963063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275225227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137612603 + 137612604.

It is an arithmetic number, because the mean of its divisors is an integer number (137612604).

Almost surely, 2^275225207 is an apocalyptic number.

275225207 is a deficient number, since it is larger than the sum of its proper divisors (1).

275225207 is an equidigital number, since it uses as much as digits as its factorization.

275225207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 275225207 is about 16589.9128086919. The cubic root of 275225207 is about 650.4731915338.

Adding to 275225207 its reverse (702522572), we get a palindrome (977747779).

The spelling of 275225207 in words is "two hundred seventy-five million, two hundred twenty-five thousand, two hundred seven".