2780852533 has 2 divisors, whose sum is σ = 2780852534. Its totient is φ = 2780852532.

The previous prime is 2780852519. The next prime is 2780852539. The reversal of 2780852533 is 3352580872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1471643044 + 1309209489 = 38362^2 + 36183^2 .

It is a cyclic number.

It is not a de Polignac number, because 2780852533 - 2²¹ = 2778755381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2780852533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2780852539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390426266 + 1390426267.

It is an arithmetic number, because the mean of its divisors is an integer number (1390426267).

Almost surely, 2^2780852533 is an apocalyptic number.

It is an amenable number.

2780852533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2780852533 is an equidigital number, since it uses as much as digits as its factorization.

2780852533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 2780852533 is about 52733.7892911177. The cubic root of 2780852533 is about 1406.2395873784.

The spelling of 2780852533 in words is "two billion, seven hundred eighty million, eight hundred fifty-two thousand, five hundred thirty-three".