419561825 has 6 divisors (see below), whose sum is σ = 520256694. Its totient is φ = 335649440.

The previous prime is 419561797. The next prime is 419561827. The reversal of 419561825 is 528165914.

It can be written as a sum of positive squares in 3 ways, for example, as 46144849 + 373416976 = 6793^2 + 19324^2 .

It is not a de Polignac number, because 419561825 - 2¹⁶ = 419496289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (419561827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8391212 + ... + 8391261.

It is an arithmetic number, because the mean of its divisors is an integer number (86709449).

Almost surely, 2^419561825 is an apocalyptic number.

It is an amenable number.

419561825 is a deficient number, since it is larger than the sum of its proper divisors (100694869).

419561825 is a wasteful number, since it uses less digits than its factorization.

419561825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16782483 (or 16782478 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The square root of 419561825 is about 20483.2083668550. The cubic root of 419561825 is about 748.6267166214.

The spelling of 419561825 in words is "four hundred nineteen million, five hundred sixty-one thousand, eight hundred twenty-five".