42504651 has 12 divisors (see below), whose sum is σ = 70166512. Its totient is φ = 24288336.

The previous prime is 42504593. The next prime is 42504677. The reversal of 42504651 is 15640524.

42504651 is a `hidden beast` number, since 4 + 2 + 5 + 0 + 4 + 651 = 666.

It is not a de Polignac number, because 42504651 - 2⁶ = 42504587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42504151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337276 + ... + 337401.

Almost surely, 2^42504651 is an apocalyptic number.

42504651 is a deficient number, since it is larger than the sum of its proper divisors (27661861).

42504651 is a wasteful number, since it uses less digits than its factorization.

42504651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674690 (or 674687 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 42504651 is about 6519.5591108602. The cubic root of 42504651 is about 348.9893320001.

The spelling of 42504651 in words is "forty-two million, five hundred four thousand, six hundred fifty-one".