424205025 has 24 divisors (see below), whose sum is σ = 704937024. Its totient is φ = 225086400.

The previous prime is 424205017. The next prime is 424205081. The reversal of 424205025 is 520502424.

It is a happy number.

It is not a de Polignac number, because 424205025 - 2³ = 424205017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424204986 and 424205004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420 + ... + 29130.

It is an arithmetic number, because the mean of its divisors is an integer number (29372376).

Almost surely, 2^424205025 is an apocalyptic number.

It is an amenable number.

424205025 is a deficient number, since it is larger than the sum of its proper divisors (280731999).

424205025 is a wasteful number, since it uses less digits than its factorization.

424205025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28921 (or 28916 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 424205025 is about 20596.2381273863. The cubic root of 424205025 is about 751.3782213454.

Adding to 424205025 its reverse (520502424), we get a palindrome (944707449).

The spelling of 424205025 in words is "four hundred twenty-four million, two hundred five thousand, twenty-five".