424500025 has 6 divisors (see below), whose sum is σ = 526380062. Its totient is φ = 339600000.

The previous prime is 424500017. The next prime is 424500031. The reversal of 424500025 is 520005424.

It can be written as a sum of positive squares in 3 ways, for example, as 14356521 + 410143504 = 3789^2 + 20252^2 .

It is not a de Polignac number, because 424500025 - 2³ = 424500017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424499969 and 424500005.

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, 8489976 + ... + 8490025.

Almost surely, 2^424500025 is an apocalyptic number.

It is an amenable number.

424500025 is a deficient number, since it is larger than the sum of its proper divisors (101880037).

424500025 is a wasteful number, since it uses less digits than its factorization.

424500025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16980011 (or 16980006 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 424500025 is about 20603.3983847326. The cubic root of 424500025 is about 751.5523550785.

Adding to 424500025 its reverse (520005424), we get a palindrome (944505449).

The spelling of 424500025 in words is "four hundred twenty-four million, five hundred thousand, twenty-five".