531472793 has 2 divisors, whose sum is σ = 531472794. Its totient is φ = 531472792.

The previous prime is 531472771. The next prime is 531472801. The reversal of 531472793 is 397274135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529138009 + 2334784 = 23003^2 + 1528^2 .

It is a cyclic number.

It is not a de Polignac number, because 531472793 - 2⁸ = 531472537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531472793.

It is not a weakly prime, because it can be changed into another prime (531472093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265736396 + 265736397.

It is an arithmetic number, because the mean of its divisors is an integer number (265736397).

Almost surely, 2^531472793 is an apocalyptic number.

It is an amenable number.

531472793 is a deficient number, since it is larger than the sum of its proper divisors (1).

531472793 is an equidigital number, since it uses as much as digits as its factorization.

531472793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 41.

The square root of 531472793 is about 23053.6936953712. The cubic root of 531472793 is about 810.0161521953.

The spelling of 531472793 in words is "five hundred thirty-one million, four hundred seventy-two thousand, seven hundred ninety-three".