47131275 has 24 divisors (see below), whose sum is σ = 78191424. Its totient is φ = 25050400.

The previous prime is 47131261. The next prime is 47131277. The reversal of 47131275 is 57213174.

It is not a de Polignac number, because 47131275 - 2⁶ = 47131211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47131277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25120 + ... + 26930.

It is an arithmetic number, because the mean of its divisors is an integer number (3257976).

Almost surely, 2^47131275 is an apocalyptic number.

47131275 is a deficient number, since it is larger than the sum of its proper divisors (31060149).

47131275 is a wasteful number, since it uses less digits than its factorization.

47131275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2166 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 47131275 is about 6865.2221377025. Note that the first 3 decimals coincide. The cubic root of 47131275 is about 361.2182876262.

The spelling of 47131275 in words is "forty-seven million, one hundred thirty-one thousand, two hundred seventy-five".