42502235 has 4 divisors (see below), whose sum is σ = 51002688. Its totient is φ = 34001784.

The previous prime is 42502223. The next prime is 42502253. The reversal of 42502235 is 53220524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42502235 - 2¹² = 42498139 is a prime.

It is a super-3 number, since 3×42502235³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42502235.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4250219 + ... + 4250228.

It is an arithmetic number, because the mean of its divisors is an integer number (12750672).

Almost surely, 2^42502235 is an apocalyptic number.

42502235 is a deficient number, since it is larger than the sum of its proper divisors (8500453).

42502235 is an equidigital number, since it uses as much as digits as its factorization.

42502235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500452.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 42502235 is about 6519.3738196241. The cubic root of 42502235 is about 348.9827195928.

Adding to 42502235 its reverse (53220524), we get a palindrome (95722759).

The spelling of 42502235 in words is "forty-two million, five hundred two thousand, two hundred thirty-five".