52780253 has 2 divisors, whose sum is σ = 52780254. Its totient is φ = 52780252.

The previous prime is 52780249. The next prime is 52780283. The reversal of 52780253 is 35208725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32467204 + 20313049 = 5698^2 + 4507^2 .

It is a cyclic number.

It is not a de Polignac number, because 52780253 - 2² = 52780249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52780213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26390126 + 26390127.

It is an arithmetic number, because the mean of its divisors is an integer number (26390127).

Almost surely, 2^52780253 is an apocalyptic number.

It is an amenable number.

52780253 is a deficient number, since it is larger than the sum of its proper divisors (1).

52780253 is an equidigital number, since it uses as much as digits as its factorization.

52780253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 52780253 is about 7265.0019270472. The cubic root of 52780253 is about 375.1087163308.

Adding to 52780253 its reverse (35208725), we get a palindrome (87988978).

The spelling of 52780253 in words is "fifty-two million, seven hundred eighty thousand, two hundred fifty-three".