45871321 has 8 divisors (see below), whose sum is σ = 48687264. Its totient is φ = 43068480.

The previous prime is 45871313. The next prime is 45871367. The reversal of 45871321 is 12317854.

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

It is not a de Polignac number, because 45871321 - 2³ = 45871313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45871381) 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, 4486 + ... + 10576.

It is an arithmetic number, because the mean of its divisors is an integer number (6085908).

Almost surely, 2^45871321 is an apocalyptic number.

It is an amenable number.

45871321 is a deficient number, since it is larger than the sum of its proper divisors (2815943).

45871321 is a wasteful number, since it uses less digits than its factorization.

45871321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551.

The product of its digits is 6720, while the sum is 31.

The square root of 45871321 is about 6772.8369978909. The cubic root of 45871321 is about 357.9703714439.

The spelling of 45871321 in words is "forty-five million, eight hundred seventy-one thousand, three hundred twenty-one".