45877321 has 4 divisors (see below), whose sum is σ = 52431232. Its totient is φ = 39323412.

The previous prime is 45877313. The next prime is 45877357. The reversal of 45877321 is 12377854.

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 45877321 - 2³ = 45877313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45877021) 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, 3276945 + ... + 3276958.

It is an arithmetic number, because the mean of its divisors is an integer number (13107808).

Almost surely, 2^45877321 is an apocalyptic number.

It is an amenable number.

45877321 is a deficient number, since it is larger than the sum of its proper divisors (6553911).

45877321 is an equidigital number, since it uses as much as digits as its factorization.

45877321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6553910.

The product of its digits is 47040, while the sum is 37.

The square root of 45877321 is about 6773.2799292514. The cubic root of 45877321 is about 357.9859783529.

The spelling of 45877321 in words is "forty-five million, eight hundred seventy-seven thousand, three hundred twenty-one".