47305961 has 2 divisors, whose sum is σ = 47305962. Its totient is φ = 47305960.

The previous prime is 47305957. The next prime is 47306003. The reversal of 47305961 is 16950374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28686736 + 18619225 = 5356^2 + 4315^2 .

It is a cyclic number.

It is not a de Polignac number, because 47305961 - 2² = 47305957 is a prime.

It is a super-2 number, since 2×47305961² = 4475707892267042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47305361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23652980 + 23652981.

It is an arithmetic number, because the mean of its divisors is an integer number (23652981).

Almost surely, 2^47305961 is an apocalyptic number.

It is an amenable number.

47305961 is a deficient number, since it is larger than the sum of its proper divisors (1).

47305961 is an equidigital number, since it uses as much as digits as its factorization.

47305961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 47305961 is about 6877.9329016791. The cubic root of 47305961 is about 361.6640070970.

The spelling of 47305961 in words is "forty-seven million, three hundred five thousand, nine hundred sixty-one".