52472449 has 2 divisors, whose sum is σ = 52472450. Its totient is φ = 52472448.

The previous prime is 52472447. The next prime is 52472477. The reversal of 52472449 is 94427425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40960000 + 11512449 = 6400^2 + 3393^2 .

It is a cyclic number.

It is not a de Polignac number, because 52472449 - 2¹ = 52472447 is a prime.

Together with 52472447, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52472447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26236224 + 26236225.

It is an arithmetic number, because the mean of its divisors is an integer number (26236225).

Almost surely, 2^52472449 is an apocalyptic number.

It is an amenable number.

52472449 is a deficient number, since it is larger than the sum of its proper divisors (1).

52472449 is an equidigital number, since it uses as much as digits as its factorization.

52472449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 52472449 is about 7243.7869239784. The cubic root of 52472449 is about 374.3781076068.

The spelling of 52472449 in words is "fifty-two million, four hundred seventy-two thousand, four hundred forty-nine".