47137525 has 6 divisors (see below), whose sum is σ = 58450562. Its totient is φ = 37710000.

The previous prime is 47137507. The next prime is 47137529. The reversal of 47137525 is 52573174.

It can be written as a sum of positive squares in 3 ways, for example, as 9278116 + 37859409 = 3046^2 + 6153^2 .

It is not a de Polignac number, because 47137525 - 2²³ = 38748917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47137529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 942726 + ... + 942775.

Almost surely, 2^47137525 is an apocalyptic number.

It is an amenable number.

47137525 is a deficient number, since it is larger than the sum of its proper divisors (11313037).

47137525 is a wasteful number, since it uses less digits than its factorization.

47137525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885511 (or 1885506 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 47137525 is about 6865.6773154584. The cubic root of 47137525 is about 361.2342537726.

The spelling of 47137525 in words is "forty-seven million, one hundred thirty-seven thousand, five hundred twenty-five".