46921543 has 2 divisors, whose sum is σ = 46921544. Its totient is φ = 46921542.

The previous prime is 46921531. The next prime is 46921549. The reversal of 46921543 is 34512964.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46921543 - 2²¹ = 44824391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46921499 and 46921508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46921549) 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, 23460771 + 23460772.

It is an arithmetic number, because the mean of its divisors is an integer number (23460772).

Almost surely, 2^46921543 is an apocalyptic number.

46921543 is a deficient number, since it is larger than the sum of its proper divisors (1).

46921543 is an equidigital number, since it uses as much as digits as its factorization.

46921543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 46921543 is about 6849.9301456292. The cubic root of 46921543 is about 360.6816893181.

The spelling of 46921543 in words is "forty-six million, nine hundred twenty-one thousand, five hundred forty-three".