514453993 has 2 divisors, whose sum is σ = 514453994. Its totient is φ = 514453992.

The previous prime is 514453889. The next prime is 514454009. The reversal of 514453993 is 399354415.

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., 505710144 + 8743849 = 22488^2 + 2957^2 .

It is a cyclic number.

It is not a de Polignac number, because 514453993 - 2¹³ = 514445801 is a prime.

It is not a weakly prime, because it can be changed into another prime (514453393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257226996 + 257226997.

It is an arithmetic number, because the mean of its divisors is an integer number (257226997).

Almost surely, 2^514453993 is an apocalyptic number.

It is an amenable number.

514453993 is a deficient number, since it is larger than the sum of its proper divisors (1).

514453993 is an equidigital number, since it uses as much as digits as its factorization.

514453993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 43.

The square root of 514453993 is about 22681.5782740091. The cubic root of 514453993 is about 801.2760847814.

The spelling of 514453993 in words is "five hundred fourteen million, four hundred fifty-three thousand, nine hundred ninety-three".