42510250 has 32 divisors (see below), whose sum is σ = 80445456. Its totient is φ = 16819200.

The previous prime is 42510241. The next prime is 42510253. The reversal of 42510250 is 5201524.

It can be written as a sum of positive squares in 8 ways, for example, as 998001 + 41512249 = 999^2 + 6443^2 .

It is not an unprimeable number, because it can be changed into a prime (42510253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23374 + ... + 25126.

Almost surely, 2^42510250 is an apocalyptic number.

42510250 is a deficient number, since it is larger than the sum of its proper divisors (37935206).

42510250 is a wasteful number, since it uses less digits than its factorization.

42510250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 42510250 is about 6519.9884969224. The cubic root of 42510250 is about 349.0046550721.

Adding to 42510250 its reverse (5201524), we get a palindrome (47711774).

The spelling of 42510250 in words is "forty-two million, five hundred ten thousand, two hundred fifty".