514424021 has 4 divisors (see below), whose sum is σ = 515535552. Its totient is φ = 513312492.

The previous prime is 514424017. The next prime is 514424051. The reversal of 514424021 is 120424415.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120424415 = 5 ⋅24084883.

It is a cyclic number.

It is not a de Polignac number, because 514424021 - 2² = 514424017 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 (514424051) 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, 555071 + ... + 555996.

It is an arithmetic number, because the mean of its divisors is an integer number (128883888).

Almost surely, 2^514424021 is an apocalyptic number.

It is an amenable number.

514424021 is a deficient number, since it is larger than the sum of its proper divisors (1111531).

514424021 is a wasteful number, since it uses less digits than its factorization.

514424021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111530.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 514424021 is about 22680.9175519863. The cubic root of 514424021 is about 801.2605237442.

Adding to 514424021 its reverse (120424415), we get a palindrome (634848436).

The spelling of 514424021 in words is "five hundred fourteen million, four hundred twenty-four thousand, twenty-one".