47097321 has 4 divisors (see below), whose sum is σ = 62796432. Its totient is φ = 31398212.

The previous prime is 47097319. The next prime is 47097359. The reversal of 47097321 is 12379074.

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 47097321 - 2¹ = 47097319 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47097221) 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, 7849551 + ... + 7849556.

It is an arithmetic number, because the mean of its divisors is an integer number (15699108).

Almost surely, 2^47097321 is an apocalyptic number.

It is an amenable number.

47097321 is a deficient number, since it is larger than the sum of its proper divisors (15699111).

47097321 is a wasteful number, since it uses less digits than its factorization.

47097321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15699110.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 47097321 is about 6862.7487933043. The cubic root of 47097321 is about 361.1315246282.

The spelling of 47097321 in words is "forty-seven million, ninety-seven thousand, three hundred twenty-one".