46171421 has 4 divisors (see below), whose sum is σ = 46477344. Its totient is φ = 45865500.

The previous prime is 46171417. The next prime is 46171441. The reversal of 46171421 is 12417164.

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 46171421 - 2² = 46171417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46171441) 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, 152735 + ... + 153036.

It is an arithmetic number, because the mean of its divisors is an integer number (11619336).

Almost surely, 2^46171421 is an apocalyptic number.

It is an amenable number.

46171421 is a deficient number, since it is larger than the sum of its proper divisors (305923).

46171421 is a wasteful number, since it uses less digits than its factorization.

46171421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305922.

The product of its digits is 1344, while the sum is 26.

The square root of 46171421 is about 6794.9555554102. The cubic root of 46171421 is about 358.7493148299.

Adding to 46171421 its reverse (12417164), we get a palindrome (58588585).

The spelling of 46171421 in words is "forty-six million, one hundred seventy-one thousand, four hundred twenty-one".