424711561 has 16 divisors (see below), whose sum is σ = 455172480. Its totient is φ = 394894080.

The previous prime is 424711519. The next prime is 424711589. The reversal of 424711561 is 165117424.

It is a cyclic number.

It is not a de Polignac number, because 424711561 - 2⁷ = 424711433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424715561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598675 + ... + 599383.

It is an arithmetic number, because the mean of its divisors is an integer number (28448280).

Almost surely, 2^424711561 is an apocalyptic number.

It is an amenable number.

424711561 is a deficient number, since it is larger than the sum of its proper divisors (30460919).

424711561 is a wasteful number, since it uses less digits than its factorization.

424711561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104.

The product of its digits is 6720, while the sum is 31.

The square root of 424711561 is about 20608.5312674145. The cubic root of 424711561 is about 751.6771717015.

Adding to 424711561 its reverse (165117424), we get a palindrome (589828985).

The spelling of 424711561 in words is "four hundred twenty-four million, seven hundred eleven thousand, five hundred sixty-one".