63025649 has 2 divisors, whose sum is σ = 63025650. Its totient is φ = 63025648.

The previous prime is 63025643. The next prime is 63025661. The reversal of 63025649 is 94652036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52417600 + 10608049 = 7240^2 + 3257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63025649 is a prime.

It is not a weakly prime, because it can be changed into another prime (63025643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31512824 + 31512825.

It is an arithmetic number, because the mean of its divisors is an integer number (31512825).

Almost surely, 2^63025649 is an apocalyptic number.

It is an amenable number.

63025649 is a deficient number, since it is larger than the sum of its proper divisors (1).

63025649 is an equidigital number, since it uses as much as digits as its factorization.

63025649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 63025649 is about 7938.8695039029. The cubic root of 63025649 is about 397.9597128485.

The spelling of 63025649 in words is "sixty-three million, twenty-five thousand, six hundred forty-nine".