47525247 has 72 divisors (see below), whose sum is σ = 88884432. Its totient is φ = 24192000.

The previous prime is 47525237. The next prime is 47525293. The reversal of 47525247 is 74252574.

It is a happy number.

It is not a de Polignac number, because 47525247 - 2⁷ = 47525119 is a prime.

It is a super-2 number, since 2×47525247² = 4517298204822018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47525207) 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 71 ways as a sum of consecutive naturals, for example, 470497 + ... + 470597.

It is an arithmetic number, because the mean of its divisors is an integer number (1234506).

Almost surely, 2^47525247 is an apocalyptic number.

47525247 is a deficient number, since it is larger than the sum of its proper divisors (41359185).

47525247 is a wasteful number, since it uses less digits than its factorization.

47525247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 219 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 47525247 is about 6893.8557426160. The cubic root of 47525247 is about 362.2219750076.

It can be divided in two parts, 4752 and 5247, that added together give a palindrome (9999).

The spelling of 47525247 in words is "forty-seven million, five hundred twenty-five thousand, two hundred forty-seven".