47428061 has 2 divisors, whose sum is σ = 47428062. Its totient is φ = 47428060.

The previous prime is 47428037. The next prime is 47428063. The reversal of 47428061 is 16082474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29365561 + 18062500 = 5419^2 + 4250^2 .

It is a cyclic number.

It is not a de Polignac number, because 47428061 - 2¹⁴ = 47411677 is a prime.

Together with 47428063, 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 (47428063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23714030 + 23714031.

It is an arithmetic number, because the mean of its divisors is an integer number (23714031).

Almost surely, 2^47428061 is an apocalyptic number.

It is an amenable number.

47428061 is a deficient number, since it is larger than the sum of its proper divisors (1).

47428061 is an equidigital number, since it uses as much as digits as its factorization.

47428061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 47428061 is about 6886.8033948996. The cubic root of 47428061 is about 361.9748998194.

The spelling of 47428061 in words is "forty-seven million, four hundred twenty-eight thousand, sixty-one".