47904533 has 2 divisors, whose sum is σ = 47904534. Its totient is φ = 47904532.

The previous prime is 47904511. The next prime is 47904541. The reversal of 47904533 is 33540974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29181604 + 18722929 = 5402^2 + 4327^2 .

It is a cyclic number.

It is not a de Polignac number, because 47904533 - 2²² = 43710229 is a prime.

It is a super-3 number, since 3×47904533³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47904493 and 47904502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47904553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23952266 + 23952267.

It is an arithmetic number, because the mean of its divisors is an integer number (23952267).

Almost surely, 2^47904533 is an apocalyptic number.

It is an amenable number.

47904533 is a deficient number, since it is larger than the sum of its proper divisors (1).

47904533 is an equidigital number, since it uses as much as digits as its factorization.

47904533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 47904533 is about 6921.3100638535. The cubic root of 47904533 is about 363.1830210847.

The spelling of 47904533 in words is "forty-seven million, nine hundred four thousand, five hundred thirty-three".