63217025 has 12 divisors (see below), whose sum is σ = 79719600. Its totient is φ = 49715280.

The previous prime is 63217019. The next prime is 63217027. The reversal of 63217025 is 52071236.

It is not a de Polignac number, because 63217025 - 2⁶ = 63216961 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63216985 and 63217003.

It is not an unprimeable number, because it can be changed into a prime (63217027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19955 + ... + 22904.

It is an arithmetic number, because the mean of its divisors is an integer number (6643300).

Almost surely, 2^63217025 is an apocalyptic number.

It is an amenable number.

63217025 is a deficient number, since it is larger than the sum of its proper divisors (16502575).

63217025 is a wasteful number, since it uses less digits than its factorization.

63217025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42928 (or 42923 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 63217025 is about 7950.9134695329. The cubic root of 63217025 is about 398.3621044832.

The spelling of 63217025 in words is "sixty-three million, two hundred seventeen thousand, twenty-five".