63452645 has 8 divisors (see below), whose sum is σ = 76186656. Its totient is φ = 50733136.

The previous prime is 63452617. The next prime is 63452659. The reversal of 63452645 is 54625436.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63452645 - 2⁶ = 63452581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12674 + ... + 16956.

It is an arithmetic number, because the mean of its divisors is an integer number (9523332).

Almost surely, 2^63452645 is an apocalyptic number.

It is an amenable number.

63452645 is a deficient number, since it is larger than the sum of its proper divisors (12734011).

63452645 is a wasteful number, since it uses less digits than its factorization.

63452645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7251.

The product of its digits is 86400, while the sum is 35.

The square root of 63452645 is about 7965.7168541193. The cubic root of 63452645 is about 398.8564107080.

The spelling of 63452645 in words is "sixty-three million, four hundred fifty-two thousand, six hundred forty-five".