42030250 has 32 divisors (see below), whose sum is σ = 79606800. Its totient is φ = 16614400.

The previous prime is 42030227. The next prime is 42030253. The reversal of 42030250 is 5203024.

It can be written as a sum of positive squares in 8 ways, for example, as 961 + 42029289 = 31^2 + 6483^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030253) 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, 21306 + ... + 23194.

Almost surely, 2^42030250 is an apocalyptic number.

42030250 is a deficient number, since it is larger than the sum of its proper divisors (37576550).

42030250 is a wasteful number, since it uses less digits than its factorization.

42030250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995 (or 1985 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 42030250 is about 6483.0741164975. The cubic root of 42030250 is about 347.6860966885.

Adding to 42030250 its reverse (5203024), we get a palindrome (47233274).

The spelling of 42030250 in words is "forty-two million, thirty thousand, two hundred fifty".