47132513 has 2 divisors, whose sum is σ = 47132514. Its totient is φ = 47132512.

The previous prime is 47132509. The next prime is 47132549. The reversal of 47132513 is 31523174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39225169 + 7907344 = 6263^2 + 2812^2 .

It is a cyclic number.

It is not a de Polignac number, because 47132513 - 2² = 47132509 is a prime.

It is not a weakly prime, because it can be changed into another prime (47132573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23566256 + 23566257.

It is an arithmetic number, because the mean of its divisors is an integer number (23566257).

Almost surely, 2^47132513 is an apocalyptic number.

It is an amenable number.

47132513 is a deficient number, since it is larger than the sum of its proper divisors (1).

47132513 is an equidigital number, since it uses as much as digits as its factorization.

47132513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 47132513 is about 6865.3123017092. The cubic root of 47132513 is about 361.2214503126.

Adding to 47132513 its reverse (31523174), we get a palindrome (78655687).

The spelling of 47132513 in words is "forty-seven million, one hundred thirty-two thousand, five hundred thirteen".