506162861 has 2 divisors, whose sum is σ = 506162862. Its totient is φ = 506162860.

The previous prime is 506162857. The next prime is 506162887. The reversal of 506162861 is 168261605.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269156836 + 237006025 = 16406^2 + 15395^2 .

It is a cyclic number.

It is not a de Polignac number, because 506162861 - 2² = 506162857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506164861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253081430 + 253081431.

It is an arithmetic number, because the mean of its divisors is an integer number (253081431).

Almost surely, 2^506162861 is an apocalyptic number.

It is an amenable number.

506162861 is a deficient number, since it is larger than the sum of its proper divisors (1).

506162861 is an equidigital number, since it uses as much as digits as its factorization.

506162861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 506162861 is about 22498.0634944432. The cubic root of 506162861 is about 796.9481963593.

The spelling of 506162861 in words is "five hundred six million, one hundred sixty-two thousand, eight hundred sixty-one".