416545401 has 4 divisors (see below), whose sum is σ = 555393872. Its totient is φ = 277696932.

The previous prime is 416545397. The next prime is 416545403. The reversal of 416545401 is 104545614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 416545401 - 2² = 416545397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (416545403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69424231 + ... + 69424236.

It is an arithmetic number, because the mean of its divisors is an integer number (138848468).

Almost surely, 2^416545401 is an apocalyptic number.

It is an amenable number.

416545401 is a deficient number, since it is larger than the sum of its proper divisors (138848471).

416545401 is a wasteful number, since it uses less digits than its factorization.

416545401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138848470.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 416545401 is about 20409.4439169714. The cubic root of 416545401 is about 746.8283253244.

The spelling of 416545401 in words is "four hundred sixteen million, five hundred forty-five thousand, four hundred one".