42461225 has 6 divisors (see below), whose sum is σ = 52651950. Its totient is φ = 33968960.

The previous prime is 42461213. The next prime is 42461231. The reversal of 42461225 is 52216424.

It can be written as a sum of positive squares in 3 ways, for example, as 3984016 + 38477209 = 1996^2 + 6203^2 .

It is not a de Polignac number, because 42461225 - 2⁸ = 42460969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42461194 and 42461203.

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, 849200 + ... + 849249.

It is an arithmetic number, because the mean of its divisors is an integer number (8775325).

Almost surely, 2^42461225 is an apocalyptic number.

It is an amenable number.

42461225 is a deficient number, since it is larger than the sum of its proper divisors (10190725).

42461225 is a wasteful number, since it uses less digits than its factorization.

42461225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698459 (or 1698454 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 42461225 is about 6516.2278198356. The cubic root of 42461225 is about 348.8704401099.

Adding to 42461225 its reverse (52216424), we get a palindrome (94677649).

The spelling of 42461225 in words is "forty-two million, four hundred sixty-one thousand, two hundred twenty-five".