416132021 has 4 divisors (see below), whose sum is σ = 416221344. Its totient is φ = 416042700.

The previous prime is 416132009. The next prime is 416132023. The reversal of 416132021 is 120231614.

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 a cyclic number.

It is not a de Polignac number, because 416132021 - 2²² = 411937717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 416131984 and 416132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416132023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37265 + ... + 47126.

It is an arithmetic number, because the mean of its divisors is an integer number (104055336).

Almost surely, 2^416132021 is an apocalyptic number.

It is an amenable number.

416132021 is a deficient number, since it is larger than the sum of its proper divisors (89323).

416132021 is an equidigital number, since it uses as much as digits as its factorization.

416132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89322.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 416132021 is about 20399.3142286696. The cubic root of 416132021 is about 746.5811925392.

Adding to 416132021 its reverse (120231614), we get a palindrome (536363635).

It can be divided in two parts, 41613 and 2021, that added together give a palindrome (43634).

The spelling of 416132021 in words is "four hundred sixteen million, one hundred thirty-two thousand, twenty-one".