207151361 has 2 divisors, whose sum is σ = 207151362. Its totient is φ = 207151360.

The previous prime is 207151333. The next prime is 207151391. The reversal of 207151361 is 163151702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122235136 + 84916225 = 11056^2 + 9215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207151361 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 207151361.

It is not a weakly prime, because it can be changed into another prime (207151391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103575680 + 103575681.

It is an arithmetic number, because the mean of its divisors is an integer number (103575681).

Almost surely, 2^207151361 is an apocalyptic number.

It is an amenable number.

207151361 is a deficient number, since it is larger than the sum of its proper divisors (1).

207151361 is an equidigital number, since it uses as much as digits as its factorization.

207151361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 207151361 is about 14392.7537670871. The cubic root of 207151361 is about 591.6923173256.

The spelling of 207151361 in words is "two hundred seven million, one hundred fifty-one thousand, three hundred sixty-one".