47355641 has 2 divisors, whose sum is σ = 47355642. Its totient is φ = 47355640.

The previous prime is 47355617. The next prime is 47355647. The reversal of 47355641 is 14655374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40704400 + 6651241 = 6380^2 + 2579^2 .

It is a cyclic number.

It is not a de Polignac number, because 47355641 - 2²² = 43161337 is a prime.

It is equal to p_2851775 and since 47355641 and 2851775 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47355647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23677820 + 23677821.

It is an arithmetic number, because the mean of its divisors is an integer number (23677821).

Almost surely, 2^47355641 is an apocalyptic number.

It is an amenable number.

47355641 is a deficient number, since it is larger than the sum of its proper divisors (1).

47355641 is an equidigital number, since it uses as much as digits as its factorization.

47355641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 47355641 is about 6881.5435041857. The cubic root of 47355641 is about 361.7905674813.

It can be divided in two parts, 473556 and 41, that multiplied together give a triangular number (19415796 = T₆₂₃₁).

The spelling of 47355641 in words is "forty-seven million, three hundred fifty-five thousand, six hundred forty-one".