687300413 has 2 divisors, whose sum is σ = 687300414. Its totient is φ = 687300412.

The previous prime is 687300409. The next prime is 687300487. The reversal of 687300413 is 314003786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620109604 + 67190809 = 24902^2 + 8197^2 .

It is a cyclic number.

It is not a de Polignac number, because 687300413 - 2² = 687300409 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_35629034 and since 687300413 and 35629034 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 687300413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (687300403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343650206 + 343650207.

It is an arithmetic number, because the mean of its divisors is an integer number (343650207).

Almost surely, 2^687300413 is an apocalyptic number.

It is an amenable number.

687300413 is a deficient number, since it is larger than the sum of its proper divisors (1).

687300413 is an equidigital number, since it uses as much as digits as its factorization.

687300413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 687300413 is about 26216.4149532311. The cubic root of 687300413 is about 882.5016680947.

The spelling of 687300413 in words is "six hundred eighty-seven million, three hundred thousand, four hundred thirteen".