42502263 has 4 divisors (see below), whose sum is σ = 56669688. Its totient is φ = 28334840.

The previous prime is 42502253. The next prime is 42502283. The reversal of 42502263 is 36220524.

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 42502263 - 2¹³ = 42494071 is a prime.

It is a super-3 number, since 3×42502263³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42502223) 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 3 ways as a sum of consecutive naturals, for example, 7083708 + ... + 7083713.

It is an arithmetic number, because the mean of its divisors is an integer number (14167422).

Almost surely, 2^42502263 is an apocalyptic number.

42502263 is a deficient number, since it is larger than the sum of its proper divisors (14167425).

42502263 is a wasteful number, since it uses less digits than its factorization.

42502263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14167424.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 42502263 is about 6519.3759670692. The cubic root of 42502263 is about 348.9827962281.

Adding to 42502263 its reverse (36220524), we get a palindrome (78722787).

The spelling of 42502263 in words is "forty-two million, five hundred two thousand, two hundred sixty-three".