506887229 has 2 divisors, whose sum is σ = 506887230. Its totient is φ = 506887228.

The previous prime is 506887211. The next prime is 506887237. The reversal of 506887229 is 922788605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404412100 + 102475129 = 20110^2 + 10123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506887229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506887289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253443614 + 253443615.

It is an arithmetic number, because the mean of its divisors is an integer number (253443615).

Almost surely, 2^506887229 is an apocalyptic number.

It is an amenable number.

506887229 is a deficient number, since it is larger than the sum of its proper divisors (1).

506887229 is an equidigital number, since it uses as much as digits as its factorization.

506887229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 506887229 is about 22514.1561911612. The cubic root of 506887229 is about 797.3281851280.

The spelling of 506887229 in words is "five hundred six million, eight hundred eighty-seven thousand, two hundred twenty-nine".