47760521 has 2 divisors, whose sum is σ = 47760522. Its totient is φ = 47760520.

The previous prime is 47760439. The next prime is 47760523. The reversal of 47760521 is 12506774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37994896 + 9765625 = 6164^2 + 3125^2 .

It is a cyclic number.

It is not a de Polignac number, because 47760521 - 2²² = 43566217 is a prime.

It is a Sophie Germain prime.

Together with 47760523, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47760523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23880260 + 23880261.

It is an arithmetic number, because the mean of its divisors is an integer number (23880261).

Almost surely, 2^47760521 is an apocalyptic number.

It is an amenable number.

47760521 is a deficient number, since it is larger than the sum of its proper divisors (1).

47760521 is an equidigital number, since it uses as much as digits as its factorization.

47760521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 47760521 is about 6910.8987114557. The cubic root of 47760521 is about 362.8187186623.

The spelling of 47760521 in words is "forty-seven million, seven hundred sixty thousand, five hundred twenty-one".