42502450 has 12 divisors (see below), whose sum is σ = 79054650. Its totient is φ = 17000960.

The previous prime is 42502417. The next prime is 42502451. The reversal of 42502450 is 5420524.

It can be written as a sum of positive squares in 3 ways, for example, as 32024281 + 10478169 = 5659^2 + 3237^2 .

It is not an unprimeable number, because it can be changed into a prime (42502451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 424975 + ... + 425074.

Almost surely, 2^42502450 is an apocalyptic number.

42502450 is a deficient number, since it is larger than the sum of its proper divisors (36552200).

42502450 is a wasteful number, since it uses less digits than its factorization.

42502450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850061 (or 850056 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 42502450 is about 6519.3903089169. The cubic root of 42502450 is about 348.9833080415.

Adding to 42502450 its reverse (5420524), we get a palindrome (47922974).

The spelling of 42502450 in words is "forty-two million, five hundred two thousand, four hundred fifty".