424513 has 4 divisors (see below), whose sum is σ = 425920. Its totient is φ = 423108.

The previous prime is 424493. The next prime is 424519. The reversal of 424513 is 315424.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 424513 - 2⁵ = 424481 is a prime.

It is a super-2 number, since 2×424513² = 360422574338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424519) 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, 45 + ... + 922.

It is an arithmetic number, because the mean of its divisors is an integer number (106480).

2⁴²⁴⁵¹³ is an apocalyptic number.

It is an amenable number.

424513 is a deficient number, since it is larger than the sum of its proper divisors (1407).

424513 is an equidigital number, since it uses as much as digits as its factorization.

424513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406.

The product of its digits is 480, while the sum is 19.

The square root of 424513 is about 651.5466215092. The cubic root of 424513 is about 75.1560012159.

Adding to 424513 its reverse (315424), we get a palindrome (739937).

The spelling of 424513 in words is "four hundred twenty-four thousand, five hundred thirteen".