424925999 has 4 divisors (see below), whose sum is σ = 449921664. Its totient is φ = 399930336.

The previous prime is 424925933. The next prime is 424926017. The reversal of 424925999 is 999529424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424925999 is a prime.

It is a super-3 number, since 3×424925999³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424925999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424925099) 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, 12497807 + ... + 12497840.

It is an arithmetic number, because the mean of its divisors is an integer number (112480416).

Almost surely, 2^424925999 is an apocalyptic number.

424925999 is a deficient number, since it is larger than the sum of its proper divisors (24995665).

424925999 is a wasteful number, since it uses less digits than its factorization.

424925999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24995664.

The product of its digits is 2099520, while the sum is 53.

The square root of 424925999 is about 20613.7332620756. The cubic root of 424925999 is about 751.8036583524.

The spelling of 424925999 in words is "four hundred twenty-four million, nine hundred twenty-five thousand, nine hundred ninety-nine".