42519250 has 32 divisors (see below), whose sum is σ = 81123120. Its totient is φ = 16681600.

The previous prime is 42519247. The next prime is 42519277. The reversal of 42519250 is 5291524.

It can be written as a sum of positive squares in 8 ways, for example, as 4363921 + 38155329 = 2089^2 + 6177^2 .

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11646 + ... + 14854.

Almost surely, 2^42519250 is an apocalyptic number.

42519250 is a deficient number, since it is larger than the sum of its proper divisors (38603870).

42519250 is a wasteful number, since it uses less digits than its factorization.

42519250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279 (or 3269 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 42519250 is about 6520.6786456626. The cubic root of 42519250 is about 349.0292830168.

The spelling of 42519250 in words is "forty-two million, five hundred nineteen thousand, two hundred fifty".