532778773 has 2 divisors, whose sum is σ = 532778774. Its totient is φ = 532778772.

The previous prime is 532778731. The next prime is 532778777. The reversal of 532778773 is 377877235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532778724 + 49 = 23082^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 532778773 - 2⁹ = 532778261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532778777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266389386 + 266389387.

It is an arithmetic number, because the mean of its divisors is an integer number (266389387).

Almost surely, 2^532778773 is an apocalyptic number.

It is an amenable number.

532778773 is a deficient number, since it is larger than the sum of its proper divisors (1).

532778773 is an equidigital number, since it uses as much as digits as its factorization.

532778773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728720, while the sum is 49.

The square root of 532778773 is about 23082.0010614331. The cubic root of 532778773 is about 810.6790896009.

Subtracting from 532778773 its sum of digits (49), we obtain a square (532778724 = 23082²).

It can be divided in two parts, 5327 and 78773, that added together give a square (84100 = 290²).

The spelling of 532778773 in words is "five hundred thirty-two million, seven hundred seventy-eight thousand, seven hundred seventy-three".