46171021 has 8 divisors (see below), whose sum is σ = 49932344. Its totient is φ = 42439680.

The previous prime is 46171019. The next prime is 46171049. The reversal of 46171021 is 12017164.

It can be written as a sum of positive squares in 4 ways, for example, as 11526025 + 34644996 = 3395^2 + 5886^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46171021 - 2¹ = 46171019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46170983 and 46171001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46171091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4236 + ... + 10501.

It is an arithmetic number, because the mean of its divisors is an integer number (6241543).

Almost surely, 2^46171021 is an apocalyptic number.

It is an amenable number.

46171021 is a deficient number, since it is larger than the sum of its proper divisors (3761323).

46171021 is a wasteful number, since it uses less digits than its factorization.

46171021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14991.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 46171021 is about 6794.9261217470. The cubic root of 46171021 is about 358.7482788345.

Adding to 46171021 its reverse (12017164), we get a palindrome (58188185).

The spelling of 46171021 in words is "forty-six million, one hundred seventy-one thousand, twenty-one".