63530445 has 96 divisors (see below), whose sum is σ = 124104960. Its totient is φ = 27596800.

The previous prime is 63530437. The next prime is 63530449. The reversal of 63530445 is 54403536.

It is not a de Polignac number, because 63530445 - 2³ = 63530437 is a prime.

It is a super-2 number, since 2×63530445² = 8072234883796050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63530449) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 894760 + ... + 894830.

It is an arithmetic number, because the mean of its divisors is an integer number (1292760).

Almost surely, 2^63530445 is an apocalyptic number.

It is an amenable number.

63530445 is a deficient number, since it is larger than the sum of its proper divisors (60574515).

63530445 is a wasteful number, since it uses less digits than its factorization.

63530445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 63530445 is about 7970.5987855368. The cubic root of 63530445 is about 399.0193582357.

The spelling of 63530445 in words is "sixty-three million, five hundred thirty thousand, four hundred forty-five".