47448261 has 40 divisors (see below), whose sum is σ = 82280000. Its totient is φ = 26687232.

The previous prime is 47448257. The next prime is 47448281. The reversal of 47448261 is 16284474.

It is not a de Polignac number, because 47448261 - 2² = 47448257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47448251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37365 + ... + 38613.

It is an arithmetic number, because the mean of its divisors is an integer number (2057000).

Almost surely, 2^47448261 is an apocalyptic number.

It is an amenable number.

47448261 is a deficient number, since it is larger than the sum of its proper divisors (34831739).

47448261 is a wasteful number, since it uses less digits than its factorization.

47448261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 1326 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 47448261 is about 6888.2698117887. The cubic root of 47448261 is about 362.0262818846.

The spelling of 47448261 in words is "forty-seven million, four hundred forty-eight thousand, two hundred sixty-one".