416661425 has 12 divisors (see below), whose sum is σ = 517973916. Its totient is φ = 332481600.

The previous prime is 416661419. The next prime is 416661433. The reversal of 416661425 is 524166614.

It can be written as a sum of positive squares in 6 ways, for example, as 55965361 + 360696064 = 7481^2 + 18992^2 .

It is not a de Polignac number, because 416661425 - 2⁶ = 416661361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11066 + ... + 30915.

It is an arithmetic number, because the mean of its divisors is an integer number (43164493).

Almost surely, 2^416661425 is an apocalyptic number.

It is an amenable number.

416661425 is a deficient number, since it is larger than the sum of its proper divisors (101312491).

416661425 is a wasteful number, since it uses less digits than its factorization.

416661425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42388 (or 42383 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 416661425 is about 20412.2861287020. The cubic root of 416661425 is about 746.8976590757.

The spelling of 416661425 in words is "four hundred sixteen million, six hundred sixty-one thousand, four hundred twenty-five".