47163541 has 4 divisors (see below), whose sum is σ = 48789900. Its totient is φ = 45537184.

The previous prime is 47163533. The next prime is 47163581. The reversal of 47163541 is 14536174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14536174 = 2 ⋅7268087.

It can be written as a sum of positive squares in 2 ways, for example, as 8151025 + 39012516 = 2855^2 + 6246^2 .

It is a cyclic number.

It is not a de Polignac number, because 47163541 - 2³ = 47163533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47163521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813136 + ... + 813193.

It is an arithmetic number, because the mean of its divisors is an integer number (12197475).

Almost surely, 2^47163541 is an apocalyptic number.

It is an amenable number.

47163541 is a deficient number, since it is larger than the sum of its proper divisors (1626359).

47163541 is a wasteful number, since it uses less digits than its factorization.

47163541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626358.

The product of its digits is 10080, while the sum is 31.

The square root of 47163541 is about 6867.5716960218. The cubic root of 47163541 is about 361.3006986551.

The spelling of 47163541 in words is "forty-seven million, one hundred sixty-three thousand, five hundred forty-one".