47951151 has 4 divisors (see below), whose sum is σ = 63934872. Its totient is φ = 31967432.

The previous prime is 47951131. The next prime is 47951161. The reversal of 47951151 is 15115974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47951151 - 2⁷ = 47951023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47951131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7991856 + ... + 7991861.

It is an arithmetic number, because the mean of its divisors is an integer number (15983718).

Almost surely, 2^47951151 is an apocalyptic number.

47951151 is a deficient number, since it is larger than the sum of its proper divisors (15983721).

47951151 is a wasteful number, since it uses less digits than its factorization.

47951151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15983720.

The product of its digits is 6300, while the sum is 33.

The square root of 47951151 is about 6924.6769599744. The cubic root of 47951151 is about 363.3007926603.

The spelling of 47951151 in words is "forty-seven million, nine hundred fifty-one thousand, one hundred fifty-one".