506227273261 has 2 divisors, whose sum is σ = 506227273262. Its totient is φ = 506227273260.

The previous prime is 506227273219. The next prime is 506227273267. The reversal of 506227273261 is 162372722605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 383029783236 + 123197490025 = 618894^2 + 350995^2 .

It is a cyclic number.

It is not a de Polignac number, because 506227273261 - 2³¹ = 504079789613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506227273267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253113636630 + 253113636631.

It is an arithmetic number, because the mean of its divisors is an integer number (253113636631).

Almost surely, 2^506227273261 is an apocalyptic number.

It is an amenable number.

506227273261 is a deficient number, since it is larger than the sum of its proper divisors (1).

506227273261 is an equidigital number, since it uses as much as digits as its factorization.

506227273261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 43.

Adding to 506227273261 its reverse (162372722605), we get a palindrome (668599995866).

The spelling of 506227273261 in words is "five hundred six billion, two hundred twenty-seven million, two hundred seventy-three thousand, two hundred sixty-one".