207155413 has 2 divisors, whose sum is σ = 207155414. Its totient is φ = 207155412.

The previous prime is 207155339. The next prime is 207155449. The reversal of 207155413 is 314551702.

It is a happy number.

207155413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150258564 + 56896849 = 12258^2 + 7543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207155413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207155513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103577706 + 103577707.

It is an arithmetic number, because the mean of its divisors is an integer number (103577707).

Almost surely, 2^207155413 is an apocalyptic number.

It is an amenable number.

207155413 is a deficient number, since it is larger than the sum of its proper divisors (1).

207155413 is an equidigital number, since it uses as much as digits as its factorization.

207155413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 207155413 is about 14392.8945316778. The cubic root of 207155413 is about 591.6961752481.

The spelling of 207155413 in words is "two hundred seven million, one hundred fifty-five thousand, four hundred thirteen".