42005153 has 4 divisors (see below), whose sum is σ = 43831488. Its totient is φ = 40178820.

The previous prime is 42005081. The next prime is 42005167. The reversal of 42005153 is 35150024.

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 a cyclic number.

It is not a de Polignac number, because 42005153 - 2¹⁰ = 42004129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42005053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913133 + ... + 913178.

It is an arithmetic number, because the mean of its divisors is an integer number (10957872).

Almost surely, 2^42005153 is an apocalyptic number.

It is an amenable number.

42005153 is a deficient number, since it is larger than the sum of its proper divisors (1826335).

42005153 is a wasteful number, since it uses less digits than its factorization.

42005153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826334.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 42005153 is about 6481.1382487955. The cubic root of 42005153 is about 347.6168797528.

Adding to 42005153 its reverse (35150024), we get a palindrome (77155177).

The spelling of 42005153 in words is "forty-two million, five thousand, one hundred fifty-three".