424045025 has 24 divisors (see below), whose sum is σ = 559305720. Its totient is φ = 317813760.

The previous prime is 424045019. The next prime is 424045051. The reversal of 424045025 is 520540424.

It can be written as a sum of positive squares in 12 ways, for example, as 26122321 + 397922704 = 5111^2 + 19948^2 .

It is not a de Polignac number, because 424045025 - 2⁴ = 424045009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424044985 and 424045003.

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, 95147 + ... + 99503.

It is an arithmetic number, because the mean of its divisors is an integer number (23304405).

Almost surely, 2^424045025 is an apocalyptic number.

It is an amenable number.

424045025 is a deficient number, since it is larger than the sum of its proper divisors (135260695).

424045025 is a wasteful number, since it uses less digits than its factorization.

424045025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613 (or 4608 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 424045025 is about 20592.3535565996. The cubic root of 424045025 is about 751.2837421618.

Adding to 424045025 its reverse (520540424), we get a palindrome (944585449).

The spelling of 424045025 in words is "four hundred twenty-four million, forty-five thousand, twenty-five".