46931321 has 2 divisors, whose sum is σ = 46931322. Its totient is φ = 46931320.

The previous prime is 46931317. The next prime is 46931323. The reversal of 46931321 is 12313964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30415225 + 16516096 = 5515^2 + 4064^2 .

It is a cyclic number.

It is not a de Polignac number, because 46931321 - 2² = 46931317 is a prime.

Together with 46931323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46931323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23465660 + 23465661.

It is an arithmetic number, because the mean of its divisors is an integer number (23465661).

Almost surely, 2^46931321 is an apocalyptic number.

It is an amenable number.

46931321 is a deficient number, since it is larger than the sum of its proper divisors (1).

46931321 is an equidigital number, since it uses as much as digits as its factorization.

46931321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The square root of 46931321 is about 6850.6438383556. The cubic root of 46931321 is about 360.7067417807.

The spelling of 46931321 in words is "forty-six million, nine hundred thirty-one thousand, three hundred twenty-one".