42893515 has 8 divisors (see below), whose sum is σ = 58825440. Its totient is φ = 29412672.

The previous prime is 42893479. The next prime is 42893519. The reversal of 42893515 is 51539824.

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

It is a cyclic number.

It is not a de Polignac number, because 42893515 - 2¹¹ = 42891467 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (42893519) 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 in 7 ways as a sum of consecutive naturals, for example, 612730 + ... + 612799.

It is an arithmetic number, because the mean of its divisors is an integer number (7353180).

Almost surely, 2^42893515 is an apocalyptic number.

42893515 is a deficient number, since it is larger than the sum of its proper divisors (15931925).

42893515 is a wasteful number, since it uses less digits than its factorization.

42893515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225541.

The product of its digits is 43200, while the sum is 37.

The square root of 42893515 is about 6549.3140862231. The cubic root of 42893515 is about 350.0503737020.

The spelling of 42893515 in words is "forty-two million, eight hundred ninety-three thousand, five hundred fifteen".