63132445 has 4 divisors (see below), whose sum is σ = 75758940. Its totient is φ = 50505952.

The previous prime is 63132439. The next prime is 63132451. The reversal of 63132445 is 54423136.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (63132439) and next prime (63132451).

It can be written as a sum of positive squares in 2 ways, for example, as 44702596 + 18429849 = 6686^2 + 4293^2 .

It is a cyclic number.

It is not a de Polignac number, because 63132445 - 2⁷ = 63132317 is a prime.

It is a super-2 number, since 2×63132445² = 7971411223356050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6313240 + ... + 6313249.

It is an arithmetic number, because the mean of its divisors is an integer number (18939735).

Almost surely, 2^63132445 is an apocalyptic number.

It is an amenable number.

63132445 is a deficient number, since it is larger than the sum of its proper divisors (12626495).

63132445 is a wasteful number, since it uses less digits than its factorization.

63132445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626494.

The product of its digits is 8640, while the sum is 28.

The square root of 63132445 is about 7945.5928035610. The cubic root of 63132445 is about 398.1843648923.

The spelling of 63132445 in words is "sixty-three million, one hundred thirty-two thousand, four hundred forty-five".