207345401 has 2 divisors, whose sum is σ = 207345402. Its totient is φ = 207345400.

The previous prime is 207345367. The next prime is 207345403. The reversal of 207345401 is 104543702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206784400 + 561001 = 14380^2 + 749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207345401 is a prime.

It is a Sophie Germain prime.

Together with 207345403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (207345403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103672700 + 103672701.

It is an arithmetic number, because the mean of its divisors is an integer number (103672701).

Almost surely, 2^207345401 is an apocalyptic number.

It is an amenable number.

207345401 is a deficient number, since it is larger than the sum of its proper divisors (1).

207345401 is an equidigital number, since it uses as much as digits as its factorization.

207345401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 207345401 is about 14399.4930813553. The cubic root of 207345401 is about 591.8770069925.

It can be divided in two parts, 2073 and 45401, that added together give a palindrome (47474).

The spelling of 207345401 in words is "two hundred seven million, three hundred forty-five thousand, four hundred one".