424243025 has 6 divisors (see below), whose sum is σ = 526061382. Its totient is φ = 339394400.

The previous prime is 424243013. The next prime is 424243037. The reversal of 424243025 is 520342424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (424243013) and next prime (424243037).

It can be written as a sum of positive squares in 3 ways, for example, as 14868736 + 409374289 = 3856^2 + 20233^2 .

It is not a de Polignac number, because 424243025 - 2¹⁰ = 424242001 is a prime.

It is a super-2 number, since 2×424243025² = 359964288522301250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424242985 and 424243003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8484836 + ... + 8484885.

It is an arithmetic number, because the mean of its divisors is an integer number (87676897).

Almost surely, 2^424243025 is an apocalyptic number.

It is an amenable number.

424243025 is a deficient number, since it is larger than the sum of its proper divisors (101818357).

424243025 is a wasteful number, since it uses less digits than its factorization.

424243025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16969731 (or 16969726 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 424243025 is about 20597.1606052873. The cubic root of 424243025 is about 751.4006566603.

Adding to 424243025 its reverse (520342424), we get a palindrome (944585449).

The spelling of 424243025 in words is "four hundred twenty-four million, two hundred forty-three thousand, twenty-five".