511054961 has 2 divisors, whose sum is σ = 511054962. Its totient is φ = 511054960.

The previous prime is 511054927. The next prime is 511054979. The reversal of 511054961 is 169450115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347598736 + 163456225 = 18644^2 + 12785^2 .

It is a cyclic number.

It is not a de Polignac number, because 511054961 - 2⁶ = 511054897 is a prime.

It is a super-2 number, since 2×511054961² = 522354346325423042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (511054261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255527480 + 255527481.

It is an arithmetic number, because the mean of its divisors is an integer number (255527481).

Almost surely, 2^511054961 is an apocalyptic number.

It is an amenable number.

511054961 is a deficient number, since it is larger than the sum of its proper divisors (1).

511054961 is an equidigital number, since it uses as much as digits as its factorization.

511054961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 511054961 is about 22606.5247439760. The cubic root of 511054961 is about 799.5074890409.

The spelling of 511054961 in words is "five hundred eleven million, fifty-four thousand, nine hundred sixty-one".