47154641 has 2 divisors, whose sum is σ = 47154642. Its totient is φ = 47154640.

The previous prime is 47154607. The next prime is 47154643. The reversal of 47154641 is 14645174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38130625 + 9024016 = 6175^2 + 3004^2 .

It is a cyclic number.

It is not a de Polignac number, because 47154641 - 2¹⁴ = 47138257 is a prime.

It is a Sophie Germain prime.

Together with 47154643, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47154598 and 47154607.

It is not a weakly prime, because it can be changed into another prime (47154643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23577320 + 23577321.

It is an arithmetic number, because the mean of its divisors is an integer number (23577321).

Almost surely, 2^47154641 is an apocalyptic number.

It is an amenable number.

47154641 is a deficient number, since it is larger than the sum of its proper divisors (1).

47154641 is an equidigital number, since it uses as much as digits as its factorization.

47154641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 47154641 is about 6866.9236926006. The cubic root of 47154641 is about 361.2779707991.

The spelling of 47154641 in words is "forty-seven million, one hundred fifty-four thousand, six hundred forty-one".