47525239 has 4 divisors (see below), whose sum is σ = 47597800. Its totient is φ = 47452680.

The previous prime is 47525237. The next prime is 47525293. The reversal of 47525239 is 93252574.

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 47525239 - 2¹ = 47525237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47525198 and 47525207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47525237) 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, 35289 + ... + 36610.

It is an arithmetic number, because the mean of its divisors is an integer number (11899450).

Almost surely, 2^47525239 is an apocalyptic number.

47525239 is a deficient number, since it is larger than the sum of its proper divisors (72561).

47525239 is an equidigital number, since it uses as much as digits as its factorization.

47525239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72560.

The product of its digits is 75600, while the sum is 37.

The square root of 47525239 is about 6893.8551623892. The cubic root of 47525239 is about 362.2219546831.

The spelling of 47525239 in words is "forty-seven million, five hundred twenty-five thousand, two hundred thirty-nine".