506151497 has 2 divisors, whose sum is σ = 506151498. Its totient is φ = 506151496.

The previous prime is 506151487. The next prime is 506151511. The reversal of 506151497 is 794151605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425349376 + 80802121 = 20624^2 + 8989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506151497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 506151497.

It is not a weakly prime, because it can be changed into another prime (506151467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253075748 + 253075749.

It is an arithmetic number, because the mean of its divisors is an integer number (253075749).

Almost surely, 2^506151497 is an apocalyptic number.

It is an amenable number.

506151497 is a deficient number, since it is larger than the sum of its proper divisors (1).

506151497 is an equidigital number, since it uses as much as digits as its factorization.

506151497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 506151497 is about 22497.8109379557. The cubic root of 506151497 is about 796.9422321478.

The spelling of 506151497 in words is "five hundred six million, one hundred fifty-one thousand, four hundred ninety-seven".