46921247 has 2 divisors, whose sum is σ = 46921248. Its totient is φ = 46921246.

The previous prime is 46921229. The next prime is 46921249. The reversal of 46921247 is 74212964.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46921247 is a prime.

Together with 46921249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46921249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23460623 + 23460624.

It is an arithmetic number, because the mean of its divisors is an integer number (23460624).

Almost surely, 2^46921247 is an apocalyptic number.

46921247 is a deficient number, since it is larger than the sum of its proper divisors (1).

46921247 is an equidigital number, since it uses as much as digits as its factorization.

46921247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 46921247 is about 6849.9085395354. The cubic root of 46921247 is about 360.6809308747.

The spelling of 46921247 in words is "forty-six million, nine hundred twenty-one thousand, two hundred forty-seven".