502066709 has 2 divisors, whose sum is σ = 502066710. Its totient is φ = 502066708.

The previous prime is 502066681. The next prime is 502066717. The reversal of 502066709 is 907660205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484968484 + 17098225 = 22022^2 + 4135^2 .

It is a cyclic number.

It is not a de Polignac number, because 502066709 - 2²⁸ = 233631253 is a prime.

It is equal to p_26458820 and since 502066709 and 26458820 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502066739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251033354 + 251033355.

It is an arithmetic number, because the mean of its divisors is an integer number (251033355).

Almost surely, 2^502066709 is an apocalyptic number.

It is an amenable number.

502066709 is a deficient number, since it is larger than the sum of its proper divisors (1).

502066709 is an equidigital number, since it uses as much as digits as its factorization.

502066709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 502066709 is about 22406.8451371450. The cubic root of 502066709 is about 794.7925880606.

The spelling of 502066709 in words is "five hundred two million, sixty-six thousand, seven hundred nine".