531033047 has 2 divisors, whose sum is σ = 531033048. Its totient is φ = 531033046.

The previous prime is 531033037. The next prime is 531033049. The reversal of 531033047 is 740330135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531033047 - 2²⁶ = 463924183 is a prime.

It is a super-2 number, since 2×531033047² = 563992194012208418, which contains 22 as substring.

Together with 531033049, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_27902042 and since 531033047 and 27902042 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531033049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265516523 + 265516524.

It is an arithmetic number, because the mean of its divisors is an integer number (265516524).

Almost surely, 2^531033047 is an apocalyptic number.

531033047 is a deficient number, since it is larger than the sum of its proper divisors (1).

531033047 is an equidigital number, since it uses as much as digits as its factorization.

531033047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 531033047 is about 23044.1542912731. The cubic root of 531033047 is about 809.7926853473.

The spelling of 531033047 in words is "five hundred thirty-one million, thirty-three thousand, forty-seven".