47018249 has 4 divisors (see below), whose sum is σ = 47045760. Its totient is φ = 46990740.

The previous prime is 47018239. The next prime is 47018269. The reversal of 47018249 is 94281074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47018249 - 2¹⁶ = 46952713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47018239) 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, 11009 + ... + 14670.

It is an arithmetic number, because the mean of its divisors is an integer number (11761440).

Almost surely, 2^47018249 is an apocalyptic number.

It is an amenable number.

47018249 is a deficient number, since it is larger than the sum of its proper divisors (27511).

47018249 is a wasteful number, since it uses less digits than its factorization.

47018249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27510.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 47018249 is about 6856.9854163473. The cubic root of 47018249 is about 360.9293093935.

The spelling of 47018249 in words is "forty-seven million, eighteen thousand, two hundred forty-nine".