424426561 has 8 divisors (see below), whose sum is σ = 458286080. Its totient is φ = 390740112.

The previous prime is 424426553. The next prime is 424426577. The reversal of 424426561 is 165624424.

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

It is a cyclic number.

It is not a de Polignac number, because 424426561 - 2³ = 424426553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424426511) 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, 38145 + ... + 47998.

It is an arithmetic number, because the mean of its divisors is an integer number (57285760).

Almost surely, 2^424426561 is an apocalyptic number.

It is an amenable number.

424426561 is a deficient number, since it is larger than the sum of its proper divisors (33859519).

424426561 is a wasteful number, since it uses less digits than its factorization.

424426561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86535.

The product of its digits is 46080, while the sum is 34.

The square root of 424426561 is about 20601.6154949072. The cubic root of 424426561 is about 751.5089980119.

The spelling of 424426561 in words is "four hundred twenty-four million, four hundred twenty-six thousand, five hundred sixty-one".