514291861 has 2 divisors, whose sum is σ = 514291862. Its totient is φ = 514291860.

The previous prime is 514291801. The next prime is 514291873. The reversal of 514291861 is 168192415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313077636 + 201214225 = 17694^2 + 14185^2 .

It is a cyclic number.

It is not a de Polignac number, because 514291861 - 2¹⁷ = 514160789 is a prime.

It is a super-2 number, since 2×514291861² = 528992236581686642, which contains 22 as substring.

It is a Chen prime.

It is equal to p_27067951 and since 514291861 and 27067951 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 514291861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514291801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257145930 + 257145931.

It is an arithmetic number, because the mean of its divisors is an integer number (257145931).

Almost surely, 2^514291861 is an apocalyptic number.

It is an amenable number.

514291861 is a deficient number, since it is larger than the sum of its proper divisors (1).

514291861 is an equidigital number, since it uses as much as digits as its factorization.

514291861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 37.

The square root of 514291861 is about 22678.0039024602. The cubic root of 514291861 is about 801.1919009375.

The spelling of 514291861 in words is "five hundred fourteen million, two hundred ninety-one thousand, eight hundred sixty-one".