424203125 has 28 divisors (see below), whose sum is σ = 561789684. Its totient is φ = 319200000.

The previous prime is 424203121. The next prime is 424203161. The reversal of 424203125 is 521302424.

It is a happy number.

It can be written as a sum of positive squares in 14 ways, for example, as 347710609 + 76492516 = 18647^2 + 8746^2 .

It is not a de Polignac number, because 424203125 - 2² = 424203121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424203125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424203121) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 264827 + ... + 266423.

Almost surely, 2^424203125 is an apocalyptic number.

It is an amenable number.

424203125 is a deficient number, since it is larger than the sum of its proper divisors (137586559).

424203125 is an frugal number, since it uses more digits than its factorization.

424203125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 424203125 is about 20596.1920024067. The cubic root of 424203125 is about 751.3770995445.

Adding to 424203125 its reverse (521302424), we get a palindrome (945505549).

The spelling of 424203125 in words is "four hundred twenty-four million, two hundred three thousand, one hundred twenty-five".