42130516 has 6 divisors (see below), whose sum is σ = 73728410. Its totient is φ = 21065256.

The previous prime is 42130513. The next prime is 42130537. The reversal of 42130516 is 61503124.

It can be written as a sum of positive squares in only one way, i.e., 26998416 + 15132100 = 5196^2 + 3890^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42130513) by changing a digit.

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 as a sum of consecutive naturals, namely, 5266311 + ... + 5266318.

Almost surely, 2^42130516 is an apocalyptic number.

It is an amenable number.

42130516 is a deficient number, since it is larger than the sum of its proper divisors (31597894).

42130516 is a wasteful number, since it uses less digits than its factorization.

42130516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10532633 (or 10532631 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 42130516 is about 6490.8024157264. The cubic root of 42130516 is about 347.9623533504.

The spelling of 42130516 in words is "forty-two million, one hundred thirty thousand, five hundred sixteen".