47513537 has 2 divisors, whose sum is σ = 47513538. Its totient is φ = 47513536.

The previous prime is 47513527. The next prime is 47513539. The reversal of 47513537 is 73531574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34000561 + 13512976 = 5831^2 + 3676^2 .

It is a cyclic number.

It is not a de Polignac number, because 47513537 - 2¹⁰ = 47512513 is a prime.

Together with 47513539, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47513497 and 47513506.

It is not a weakly prime, because it can be changed into another prime (47513539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23756768 + 23756769.

It is an arithmetic number, because the mean of its divisors is an integer number (23756769).

Almost surely, 2^47513537 is an apocalyptic number.

It is an amenable number.

47513537 is a deficient number, since it is larger than the sum of its proper divisors (1).

47513537 is an equidigital number, since it uses as much as digits as its factorization.

47513537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 35.

The square root of 47513537 is about 6893.0063832844. The cubic root of 47513537 is about 362.1922226267.

The spelling of 47513537 in words is "forty-seven million, five hundred thirteen thousand, five hundred thirty-seven".