42050515 has 32 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 28978560.

The previous prime is 42050513. The next prime is 42050521. The reversal of 42050515 is 51505024.

It is not a de Polignac number, because 42050515 - 2¹ = 42050513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42050513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97350 + ... + 97780.

It is an arithmetic number, because the mean of its divisors is an integer number (1814400).

Almost surely, 2^42050515 is an apocalyptic number.

42050515 is a deficient number, since it is larger than the sum of its proper divisors (16010285).

42050515 is a wasteful number, since it uses less digits than its factorization.

42050515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 42050515 is about 6484.6368441109. The cubic root of 42050515 is about 347.7419669776.

Adding to 42050515 its reverse (51505024), we get a palindrome (93555539).

The spelling of 42050515 in words is "forty-two million, fifty thousand, five hundred fifteen".