207275993 has 2 divisors, whose sum is σ = 207275994. Its totient is φ = 207275992.

The previous prime is 207275947. The next prime is 207276001. The reversal of 207275993 is 399572702.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162613504 + 44662489 = 12752^2 + 6683^2 .

It is a cyclic number.

It is not a de Polignac number, because 207275993 - 2¹⁶ = 207210457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (207275923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103637996 + 103637997.

It is an arithmetic number, because the mean of its divisors is an integer number (103637997).

Almost surely, 2^207275993 is an apocalyptic number.

It is an amenable number.

207275993 is a deficient number, since it is larger than the sum of its proper divisors (1).

207275993 is an equidigital number, since it uses as much as digits as its factorization.

207275993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 207275993 is about 14397.0827947887. The cubic root of 207275993 is about 591.8109568432.

The spelling of 207275993 in words is "two hundred seven million, two hundred seventy-five thousand, nine hundred ninety-three".