47250161 has 6 divisors (see below), whose sum is σ = 54964530. Its totient is φ = 40500096.

The previous prime is 47250143. The next prime is 47250187. The reversal of 47250161 is 16105274.

It can be written as a sum of positive squares in only one way, i.e., 34000561 + 13249600 = 5831^2 + 3640^2 .

It is not a de Polignac number, because 47250161 - 2¹⁴ = 47233777 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47250161.

It is not an unprimeable number, because it can be changed into a prime (47250101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 482096 + ... + 482193.

It is an arithmetic number, because the mean of its divisors is an integer number (9160755).

Almost surely, 2^47250161 is an apocalyptic number.

It is an amenable number.

47250161 is a deficient number, since it is larger than the sum of its proper divisors (7714369).

47250161 is an equidigital number, since it uses as much as digits as its factorization.

47250161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964303 (or 964296 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 47250161 is about 6873.8752534506. The cubic root of 47250161 is about 361.5217502426.

The spelling of 47250161 in words is "forty-seven million, two hundred fifty thousand, one hundred sixty-one".