506950649 has 2 divisors, whose sum is σ = 506950650. Its totient is φ = 506950648.

The previous prime is 506950621. The next prime is 506950669. The reversal of 506950649 is 946059605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377719225 + 129231424 = 19435^2 + 11368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506950649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (506950669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253475324 + 253475325.

It is an arithmetic number, because the mean of its divisors is an integer number (253475325).

Almost surely, 2^506950649 is an apocalyptic number.

It is an amenable number.

506950649 is a deficient number, since it is larger than the sum of its proper divisors (1).

506950649 is an equidigital number, since it uses as much as digits as its factorization.

506950649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 506950649 is about 22515.5645942979. The cubic root of 506950649 is about 797.3614367349.

The spelling of 506950649 in words is "five hundred six million, nine hundred fifty thousand, six hundred forty-nine".