5201689 has 2 divisors, whose sum is σ = 5201690. Its totient is φ = 5201688.

The previous prime is 5201683. The next prime is 5201699. The reversal of 5201689 is 9861025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2975625 + 2226064 = 1725^2 + 1492^2 .

It is a cyclic number.

It is not a de Polignac number, because 5201689 - 2³ = 5201681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5201689.

It is not a weakly prime, because it can be changed into another prime (5201681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600844 + 2600845.

It is an arithmetic number, because the mean of its divisors is an integer number (2600845).

Almost surely, 2^5201689 is an apocalyptic number.

It is an amenable number.

5201689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5201689 is an equidigital number, since it uses as much as digits as its factorization.

5201689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 5201689 is about 2280.7211578797. The cubic root of 5201689 is about 173.2665764460.

It can be divided in two parts, 520 and 1689, that added together give a square (2209 = 47²).

The spelling of 5201689 in words is "five million, two hundred one thousand, six hundred eighty-nine".