42250615 has 8 divisors (see below), whose sum is σ = 55309968. Its totient is φ = 30727680.

The previous prime is 42250601. The next prime is 42250619. The reversal of 42250615 is 51605224.

42250615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42250615 - 2⁵ = 42250583 is a prime.

It is a super-2 number, since 2×42250615² = 3570228935756450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42250615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42250619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384042 + ... + 384151.

It is an arithmetic number, because the mean of its divisors is an integer number (6913746).

Almost surely, 2^42250615 is an apocalyptic number.

42250615 is a deficient number, since it is larger than the sum of its proper divisors (13059353).

42250615 is a wasteful number, since it uses less digits than its factorization.

42250615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768209.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 42250615 is about 6500.0473075202. The cubic root of 42250615 is about 348.2926783185.

Adding to 42250615 its reverse (51605224), we get a palindrome (93855839).

The spelling of 42250615 in words is "forty-two million, two hundred fifty thousand, six hundred fifteen".