47540161 has 2 divisors, whose sum is σ = 47540162. Its totient is φ = 47540160.

The previous prime is 47540137. The next prime is 47540179. The reversal of 47540161 is 16104574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43362225 + 4177936 = 6585^2 + 2044^2 .

It is a cyclic number.

It is not a de Polignac number, because 47540161 - 2¹³ = 47531969 is a prime.

It is not a weakly prime, because it can be changed into another prime (47540111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23770080 + 23770081.

It is an arithmetic number, because the mean of its divisors is an integer number (23770081).

Almost surely, 2^47540161 is an apocalyptic number.

It is an amenable number.

47540161 is a deficient number, since it is larger than the sum of its proper divisors (1).

47540161 is an equidigital number, since it uses as much as digits as its factorization.

47540161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 47540161 is about 6894.9373456182. The cubic root of 47540161 is about 362.2598609306.

The spelling of 47540161 in words is "forty-seven million, five hundred forty thousand, one hundred sixty-one".