511940953 has 2 divisors, whose sum is σ = 511940954. Its totient is φ = 511940952.

The previous prime is 511940911. The next prime is 511940977. The reversal of 511940953 is 359049115.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428821264 + 83119689 = 20708^2 + 9117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511940953 is a prime.

It is not a weakly prime, because it can be changed into another prime (511940983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255970476 + 255970477.

It is an arithmetic number, because the mean of its divisors is an integer number (255970477).

Almost surely, 2^511940953 is an apocalyptic number.

It is an amenable number.

511940953 is a deficient number, since it is larger than the sum of its proper divisors (1).

511940953 is an equidigital number, since it uses as much as digits as its factorization.

511940953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 511940953 is about 22626.1121936580. The cubic root of 511940953 is about 799.9692451719.

The spelling of 511940953 in words is "five hundred eleven million, nine hundred forty thousand, nine hundred fifty-three".