42651063 has 32 divisors (see below), whose sum is σ = 77772800. Its totient is φ = 22495968.

The previous prime is 42651019. The next prime is 42651109. The reversal of 42651063 is 36015624.

42651063 is a `hidden beast` number, since 4 + 2 + 651 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 42651063 - 2⁶ = 42650999 is a prime.

It is a super-2 number, since 2×42651063² = 3638226350059938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42651013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6223 + ... + 11136.

It is an arithmetic number, because the mean of its divisors is an integer number (2430400).

Almost surely, 2^42651063 is an apocalyptic number.

42651063 is a deficient number, since it is larger than the sum of its proper divisors (35121737).

42651063 is a wasteful number, since it uses less digits than its factorization.

42651063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17388 (or 17382 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 42651063 is about 6530.7781312796. The cubic root of 42651063 is about 349.3895836433.

Adding to 42651063 its reverse (36015624), we get a palindrome (78666687).

The spelling of 42651063 in words is "forty-two million, six hundred fifty-one thousand, sixty-three".