42436593 has 6 divisors (see below), whose sum is σ = 61297314. Its totient is φ = 28291056.

The previous prime is 42436591. The next prime is 42436609. The reversal of 42436593 is 39563424.

It can be written as a sum of positive squares in only one way, i.e., 42419169 + 17424 = 6513^2 + 132^2 .

It is not a de Polignac number, because 42436593 - 2¹ = 42436591 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42436591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2357580 + ... + 2357597.

It is an arithmetic number, because the mean of its divisors is an integer number (10216219).

Almost surely, 2^42436593 is an apocalyptic number.

It is an amenable number.

42436593 is a deficient number, since it is larger than the sum of its proper divisors (18860721).

42436593 is a wasteful number, since it uses less digits than its factorization.

42436593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715183 (or 4715180 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 42436593 is about 6514.3374950950. The cubic root of 42436593 is about 348.8029664803.

The spelling of 42436593 in words is "forty-two million, four hundred thirty-six thousand, five hundred ninety-three".