506897311 has 2 divisors, whose sum is σ = 506897312. Its totient is φ = 506897310.

The previous prime is 506897263. The next prime is 506897317. The reversal of 506897311 is 113798605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 506897311 - 2⁹ = 506896799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506897317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253448655 + 253448656.

It is an arithmetic number, because the mean of its divisors is an integer number (253448656).

Almost surely, 2^506897311 is an apocalyptic number.

506897311 is a deficient number, since it is larger than the sum of its proper divisors (1).

506897311 is an equidigital number, since it uses as much as digits as its factorization.

506897311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 506897311 is about 22514.3800936202. The cubic root of 506897311 is about 797.3334713856. Note that the first 3 decimals are identical.

The spelling of 506897311 in words is "five hundred six million, eight hundred ninety-seven thousand, three hundred eleven".