532509997 has 2 divisors, whose sum is σ = 532509998. Its totient is φ = 532509996.

The previous prime is 532509949. The next prime is 532510019. The reversal of 532509997 is 799905235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432889636 + 99620361 = 20806^2 + 9981^2 .

It is a cyclic number.

It is not a de Polignac number, because 532509997 - 2¹⁵ = 532477229 is a prime.

It is a super-3 number, since 3×532509997³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 532509997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532509907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266254998 + 266254999.

It is an arithmetic number, because the mean of its divisors is an integer number (266254999).

Almost surely, 2^532509997 is an apocalyptic number.

It is an amenable number.

532509997 is a deficient number, since it is larger than the sum of its proper divisors (1).

532509997 is an equidigital number, since it uses as much as digits as its factorization.

532509997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 765450, while the sum is 49.

The square root of 532509997 is about 23076.1781281043. The cubic root of 532509997 is about 810.5427429940.

The spelling of 532509997 in words is "five hundred thirty-two million, five hundred nine thousand, nine hundred ninety-seven".