63533425 has 24 divisors (see below), whose sum is σ = 81244800. Its totient is φ = 49260480.

The previous prime is 63533423. The next prime is 63533443. The reversal of 63533425 is 52433536.

It is a happy number.

It is not a de Polignac number, because 63533425 - 2¹ = 63533423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63533423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163131 + ... + 163519.

It is an arithmetic number, because the mean of its divisors is an integer number (3385200).

Almost surely, 2^63533425 is an apocalyptic number.

It is an amenable number.

63533425 is a deficient number, since it is larger than the sum of its proper divisors (17711375).

63533425 is a wasteful number, since it uses less digits than its factorization.

63533425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 580 counting only the distinct ones).

The product of its digits is 32400, while the sum is 31.

The square root of 63533425 is about 7970.7857203666. The cubic root of 63533425 is about 399.0255970245.

The spelling of 63533425 in words is "sixty-three million, five hundred thirty-three thousand, four hundred twenty-five".