424243249 has 4 divisors (see below), whose sum is σ = 424347120. Its totient is φ = 424139380.

The previous prime is 424243231. The next prime is 424243297. The reversal of 424243249 is 942342424.

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 424243249 - 2⁷ = 424243121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424243549) 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, 45547 + ... + 54064.

It is an arithmetic number, because the mean of its divisors is an integer number (106086780).

Almost surely, 2^424243249 is an apocalyptic number.

It is an amenable number.

424243249 is a deficient number, since it is larger than the sum of its proper divisors (103871).

424243249 is an equidigital number, since it uses as much as digits as its factorization.

424243249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103870.

The product of its digits is 55296, while the sum is 34.

The square root of 424243249 is about 20597.1660429293. The cubic root of 424243249 is about 751.4007889066.

The spelling of 424243249 in words is "four hundred twenty-four million, two hundred forty-three thousand, two hundred forty-nine".