42632563 has 8 divisors (see below), whose sum is σ = 43087968. Its totient is φ = 42179904.

The previous prime is 42632521. The next prime is 42632641. The reversal of 42632563 is 36523624.

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 42632563 - 2¹⁷ = 42501491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42632063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45031 + ... + 45967.

It is an arithmetic number, because the mean of its divisors is an integer number (5385996).

Almost surely, 2^42632563 is an apocalyptic number.

42632563 is a deficient number, since it is larger than the sum of its proper divisors (455405).

42632563 is a wasteful number, since it uses less digits than its factorization.

42632563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373.

The product of its digits is 25920, while the sum is 31.

The square root of 42632563 is about 6529.3616073855. The cubic root of 42632563 is about 349.3390601501.

The spelling of 42632563 in words is "forty-two million, six hundred thirty-two thousand, five hundred sixty-three".