424251321 has 8 divisors (see below), whose sum is σ = 609181440. Its totient is φ = 261077712.

The previous prime is 424251283. The next prime is 424251329. The reversal of 424251321 is 123152424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 424251321 - 2⁷ = 424251193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424251291 and 424251300.

It is not an unprimeable number, because it can be changed into a prime (424251329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5439081 + ... + 5439158.

It is an arithmetic number, because the mean of its divisors is an integer number (76147680).

Almost surely, 2^424251321 is an apocalyptic number.

It is an amenable number.

424251321 is a deficient number, since it is larger than the sum of its proper divisors (184930119).

424251321 is a wasteful number, since it uses less digits than its factorization.

424251321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10878255.

The product of its digits is 1920, while the sum is 24.

The square root of 424251321 is about 20597.3619912842. The cubic root of 424251321 is about 751.4055544656.

The spelling of 424251321 in words is "four hundred twenty-four million, two hundred fifty-one thousand, three hundred twenty-one".