531472771 has 2 divisors, whose sum is σ = 531472772. Its totient is φ = 531472770.

The previous prime is 531472759. The next prime is 531472793. The reversal of 531472771 is 177274135.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531472771 - 2⁹ = 531472259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531472771.

It is not a weakly prime, because it can be changed into another prime (531472741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265736385 + 265736386.

It is an arithmetic number, because the mean of its divisors is an integer number (265736386).

Almost surely, 2^531472771 is an apocalyptic number.

531472771 is a deficient number, since it is larger than the sum of its proper divisors (1).

531472771 is an equidigital number, since it uses as much as digits as its factorization.

531472771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41160, while the sum is 37.

The square root of 531472771 is about 23053.6932182243. The cubic root of 531472771 is about 810.0161410186.

The spelling of 531472771 in words is "five hundred thirty-one million, four hundred seventy-two thousand, seven hundred seventy-one".