514303421 has 2 divisors, whose sum is σ = 514303422. Its totient is φ = 514303420.

The previous prime is 514303417. The next prime is 514303477. The reversal of 514303421 is 124303415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460574521 + 53728900 = 21461^2 + 7330^2 .

It is a cyclic number.

It is not a de Polignac number, because 514303421 - 2² = 514303417 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514303121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257151710 + 257151711.

It is an arithmetic number, because the mean of its divisors is an integer number (257151711).

Almost surely, 2^514303421 is an apocalyptic number.

It is an amenable number.

514303421 is a deficient number, since it is larger than the sum of its proper divisors (1).

514303421 is an equidigital number, since it uses as much as digits as its factorization.

514303421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 514303421 is about 22678.2587735478. The cubic root of 514303421 is about 801.1979038252.

Adding to 514303421 its reverse (124303415), we get a palindrome (638606836).

The spelling of 514303421 in words is "five hundred fourteen million, three hundred three thousand, four hundred twenty-one".