42617523 has 8 divisors (see below), whose sum is σ = 61194448. Its totient is φ = 26226144.

The previous prime is 42617507. The next prime is 42617543. The reversal of 42617523 is 32571624.

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

It is not a de Polignac number, because 42617523 - 2⁴ = 42617507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42617503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546340 + ... + 546417.

It is an arithmetic number, because the mean of its divisors is an integer number (7649306).

Almost surely, 2^42617523 is an apocalyptic number.

42617523 is a deficient number, since it is larger than the sum of its proper divisors (18576925).

42617523 is a wasteful number, since it uses less digits than its factorization.

42617523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092773.

The product of its digits is 10080, while the sum is 30.

The square root of 42617523 is about 6528.2097852321. The cubic root of 42617523 is about 349.2979751432.

The spelling of 42617523 in words is "forty-two million, six hundred seventeen thousand, five hundred twenty-three".