63525249 has 8 divisors (see below), whose sum is σ = 94111520. Its totient is φ = 42350148.

The previous prime is 63525229. The next prime is 63525271. The reversal of 63525249 is 94252536.

It is not a de Polignac number, because 63525249 - 2⁹ = 63524737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63525229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176367 + ... + 1176420.

It is an arithmetic number, because the mean of its divisors is an integer number (11763940).

Almost surely, 2^63525249 is an apocalyptic number.

It is an amenable number.

63525249 is a deficient number, since it is larger than the sum of its proper divisors (30586271).

63525249 is a wasteful number, since it uses less digits than its factorization.

63525249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352796 (or 2352790 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 63525249 is about 7970.2728309638. The cubic root of 63525249 is about 399.0084796660.

The spelling of 63525249 in words is "sixty-three million, five hundred twenty-five thousand, two hundred forty-nine".