424911825 has 60 divisors (see below), whose sum is σ = 847680988. Its totient is φ = 209174400.

The previous prime is 424911797. The next prime is 424911827. The reversal of 424911825 is 528119424.

It can be written as a sum of positive squares in 6 ways, for example, as 59490369 + 365421456 = 7713^2 + 19116^2 .

It is a de Polignac number, because none of the positive numbers 2^k-424911825 is a prime.

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 424911825.

It is not an unprimeable number, because it can be changed into a prime (424911827) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 18255 + ... + 34395.

Almost surely, 2^424911825 is an apocalyptic number.

424911825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

424911825 is a deficient number, since it is larger than the sum of its proper divisors (422769163).

424911825 is a wasteful number, since it uses less digits than its factorization.

424911825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16176 (or 16162 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 424911825 is about 20613.3894592811. The cubic root of 424911825 is about 751.7952991058.

The spelling of 424911825 in words is "four hundred twenty-four million, nine hundred eleven thousand, eight hundred twenty-five".