47481161 has 16 divisors (see below), whose sum is σ = 58660224. Its totient is φ = 37425024.

The previous prime is 47481121. The next prime is 47481167. The reversal of 47481161 is 16118474.

It is not a de Polignac number, because 47481161 - 2¹⁴ = 47464777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47481167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27650 + ... + 29316.

It is an arithmetic number, because the mean of its divisors is an integer number (3666264).

Almost surely, 2^47481161 is an apocalyptic number.

It is an amenable number.

47481161 is a deficient number, since it is larger than the sum of its proper divisors (11179063).

47481161 is a wasteful number, since it uses less digits than its factorization.

47481161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000.

The product of its digits is 5376, while the sum is 32.

The square root of 47481161 is about 6890.6575157963. The cubic root of 47481161 is about 362.1099373062.

The spelling of 47481161 in words is "forty-seven million, four hundred eighty-one thousand, one hundred sixty-one".