52780303 has 2 divisors, whose sum is σ = 52780304. Its totient is φ = 52780302.

The previous prime is 52780297. The next prime is 52780313. The reversal of 52780303 is 30308725.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52780303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52780313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26390151 + 26390152.

It is an arithmetic number, because the mean of its divisors is an integer number (26390152).

Almost surely, 2^52780303 is an apocalyptic number.

52780303 is a deficient number, since it is larger than the sum of its proper divisors (1).

52780303 is an equidigital number, since it uses as much as digits as its factorization.

52780303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 52780303 is about 7265.0053682017. The cubic root of 52780303 is about 375.1088347806.

It can be divided in two parts, 52780 and 303, that multiplied together give a triangular number (15992340 = T₅₆₅₅).

The spelling of 52780303 in words is "fifty-two million, seven hundred eighty thousand, three hundred three".