52748249 has 2 divisors, whose sum is σ = 52748250. Its totient is φ = 52748248.

The previous prime is 52748239. The next prime is 52748281. The reversal of 52748249 is 94284725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45630025 + 7118224 = 6755^2 + 2668^2 .

It is a cyclic number.

It is not a de Polignac number, because 52748249 - 2⁴ = 52748233 is a prime.

It is not a weakly prime, because it can be changed into another prime (52748239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26374124 + 26374125.

It is an arithmetic number, because the mean of its divisors is an integer number (26374125).

Almost surely, 2^52748249 is an apocalyptic number.

It is an amenable number.

52748249 is a deficient number, since it is larger than the sum of its proper divisors (1).

52748249 is an equidigital number, since it uses as much as digits as its factorization.

52748249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 52748249 is about 7262.7989783554. The cubic root of 52748249 is about 375.0328836349.

The spelling of 52748249 in words is "fifty-two million, seven hundred forty-eight thousand, two hundred forty-nine".