42051635 has 16 divisors (see below), whose sum is σ = 51882336. Its totient is φ = 32702208.

The previous prime is 42051619. The next prime is 42051671. The reversal of 42051635 is 53615024.

It is a cyclic number.

It is not a de Polignac number, because 42051635 - 2⁴ = 42051619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67847 + ... + 68463.

It is an arithmetic number, because the mean of its divisors is an integer number (3242646).

Almost surely, 2^42051635 is an apocalyptic number.

42051635 is a deficient number, since it is larger than the sum of its proper divisors (9830701).

42051635 is a wasteful number, since it uses less digits than its factorization.

42051635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 42051635 is about 6484.7232014944. The cubic root of 42051635 is about 347.7450542767.

Adding to 42051635 its reverse (53615024), we get a palindrome (95666659).

The spelling of 42051635 in words is "forty-two million, fifty-one thousand, six hundred thirty-five".