514540421 has 4 divisors (see below), whose sum is σ = 514944000. Its totient is φ = 514136844.

The previous prime is 514540409. The next prime is 514540531. The reversal of 514540421 is 124045415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 514540421 - 2²⁶ = 447431557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514540321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199871 + ... + 202428.

It is an arithmetic number, because the mean of its divisors is an integer number (128736000).

Almost surely, 2^514540421 is an apocalyptic number.

It is an amenable number.

514540421 is a deficient number, since it is larger than the sum of its proper divisors (403579).

514540421 is a wasteful number, since it uses less digits than its factorization.

514540421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403578.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 514540421 is about 22683.4834406006. The cubic root of 514540421 is about 801.3209535890.

Adding to 514540421 its reverse (124045415), we get a palindrome (638585836).

The spelling of 514540421 in words is "five hundred fourteen million, five hundred forty thousand, four hundred twenty-one".