506623841 has 2 divisors, whose sum is σ = 506623842. Its totient is φ = 506623840.

The previous prime is 506623811. The next prime is 506623853. The reversal of 506623841 is 148326605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289680400 + 216943441 = 17020^2 + 14729^2 .

It is a cyclic number.

It is not a de Polignac number, because 506623841 - 2²² = 502429537 is a prime.

It is not a weakly prime, because it can be changed into another prime (506623811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253311920 + 253311921.

It is an arithmetic number, because the mean of its divisors is an integer number (253311921).

Almost surely, 2^506623841 is an apocalyptic number.

It is an amenable number.

506623841 is a deficient number, since it is larger than the sum of its proper divisors (1).

506623841 is an equidigital number, since it uses as much as digits as its factorization.

506623841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 506623841 is about 22508.3060446583. The cubic root of 506623841 is about 797.1900590327.

The spelling of 506623841 in words is "five hundred six million, six hundred twenty-three thousand, eight hundred forty-one".