63275525 has 18 divisors (see below), whose sum is σ = 79573590. Its totient is φ = 49912320.

The previous prime is 63275503. The next prime is 63275533. The reversal of 63275525 is 52557236.

63275525 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 9 ways, for example, as 35628961 + 27646564 = 5969^2 + 5258^2 .

It is not a de Polignac number, because 63275525 - 2²² = 59081221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 235091 + ... + 235359.

It is an arithmetic number, because the mean of its divisors is an integer number (4420755).

Almost surely, 2^63275525 is an apocalyptic number.

It is an amenable number.

63275525 is a deficient number, since it is larger than the sum of its proper divisors (16298065).

63275525 is an equidigital number, since it uses as much as digits as its factorization.

63275525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 371 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 63275525 is about 7954.5914414255. The cubic root of 63275525 is about 398.4849458558.

The spelling of 63275525 in words is "sixty-three million, two hundred seventy-five thousand, five hundred twenty-five".