42102573 has 4 divisors (see below), whose sum is σ = 56136768. Its totient is φ = 28068380.

The previous prime is 42102563. The next prime is 42102583. The reversal of 42102573 is 37520124.

42102573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (42102563) and next prime (42102583).

It is a cyclic number.

It is not a de Polignac number, because 42102573 - 2⁶ = 42102509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42102563) 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 3 ways as a sum of consecutive naturals, for example, 7017093 + ... + 7017098.

It is an arithmetic number, because the mean of its divisors is an integer number (14034192).

Almost surely, 2^42102573 is an apocalyptic number.

It is an amenable number.

42102573 is a deficient number, since it is larger than the sum of its proper divisors (14034195).

42102573 is a wasteful number, since it uses less digits than its factorization.

42102573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14034194.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 42102573 is about 6488.6495513319. The cubic root of 42102573 is about 347.8854078378.

Adding to 42102573 its reverse (37520124), we get a palindrome (79622697).

The spelling of 42102573 in words is "forty-two million, one hundred two thousand, five hundred seventy-three".