424504213 has 32 divisors (see below), whose sum is σ = 526592000. Its totient is φ = 334103616.

The previous prime is 424504207. The next prime is 424504253. The reversal of 424504213 is 312405424.

It is a happy number.

It is not a de Polignac number, because 424504213 - 2⁵ = 424504181 is a prime.

It is the 20604-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424504253) by changing a digit.

It is a nontrivial repunit in base 20603.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1137895 + ... + 1138267.

It is an arithmetic number, because the mean of its divisors is an integer number (16456000).

Almost surely, 2^424504213 is an apocalyptic number.

424504213 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

424504213 is a deficient number, since it is larger than the sum of its proper divisors (102087787).

424504213 is a wasteful number, since it uses less digits than its factorization.

424504213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 424504213 is about 20603.5000182008. The cubic root of 424504213 is about 751.5548266064.

Adding to 424504213 its reverse (312405424), we get a palindrome (736909637).

The spelling of 424504213 in words is "four hundred twenty-four million, five hundred four thousand, two hundred thirteen".