42090653 has 8 divisors (see below), whose sum is σ = 47398656. Its totient is φ = 37029600.

The previous prime is 42090649. The next prime is 42090701. The reversal of 42090653 is 35609024.

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 42090653 - 2² = 42090649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42090613) 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, 61376 + ... + 62057.

It is an arithmetic number, because the mean of its divisors is an integer number (5924832).

Almost surely, 2^42090653 is an apocalyptic number.

It is an amenable number.

42090653 is a deficient number, since it is larger than the sum of its proper divisors (5308003).

42090653 is a wasteful number, since it uses less digits than its factorization.

42090653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123475.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 42090653 is about 6487.7309592800. The cubic root of 42090653 is about 347.8525738550.

Adding to 42090653 its reverse (35609024), we get a palindrome (77699677).

The spelling of 42090653 in words is "forty-two million, ninety thousand, six hundred fifty-three".