511054069 has 2 divisors, whose sum is σ = 511054070. Its totient is φ = 511054068.

The previous prime is 511054007. The next prime is 511054073. The reversal of 511054069 is 960450115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443649969 + 67404100 = 21063^2 + 8210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511054069 is a prime.

It is a super-4 number, since 4×511054069⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 511054069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511054099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255527034 + 255527035.

It is an arithmetic number, because the mean of its divisors is an integer number (255527035).

Almost surely, 2^511054069 is an apocalyptic number.

It is an amenable number.

511054069 is a deficient number, since it is larger than the sum of its proper divisors (1).

511054069 is an equidigital number, since it uses as much as digits as its factorization.

511054069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 511054069 is about 22606.5050151500. The cubic root of 511054069 is about 799.5070238848.

The spelling of 511054069 in words is "five hundred eleven million, fifty-four thousand, sixty-nine".