514944421 has 2 divisors, whose sum is σ = 514944422. Its totient is φ = 514944420.

The previous prime is 514944383. The next prime is 514944427. The reversal of 514944421 is 124449415.

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., 476330625 + 38613796 = 21825^2 + 6214^2 .

It is a cyclic number.

It is not a de Polignac number, because 514944421 - 2¹³ = 514936229 is a prime.

It is a super-3 number, since 3×514944421³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514944427) 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, 257472210 + 257472211.

It is an arithmetic number, because the mean of its divisors is an integer number (257472211).

Almost surely, 2^514944421 is an apocalyptic number.

It is an amenable number.

514944421 is a deficient number, since it is larger than the sum of its proper divisors (1).

514944421 is an equidigital number, since it uses as much as digits as its factorization.

514944421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 514944421 is about 22692.3868511005. The cubic root of 514944421 is about 801.5306222310.

The spelling of 514944421 in words is "five hundred fourteen million, nine hundred forty-four thousand, four hundred twenty-one".