42152113 has 4 divisors (see below), whose sum is σ = 42166768. Its totient is φ = 42137460.

The previous prime is 42152111. The next prime is 42152147. The reversal of 42152113 is 31125124.

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 42152113 - 2¹ = 42152111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42152111) 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, 1431 + ... + 9292.

It is an arithmetic number, because the mean of its divisors is an integer number (10541692).

Almost surely, 2^42152113 is an apocalyptic number.

It is an amenable number.

42152113 is a deficient number, since it is larger than the sum of its proper divisors (14655).

42152113 is a wasteful number, since it uses less digits than its factorization.

42152113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14654.

The product of its digits is 240, while the sum is 19.

The square root of 42152113 is about 6492.4658643693. The cubic root of 42152113 is about 348.0218008318.

Adding to 42152113 its reverse (31125124), we get a palindrome (73277237).

It can be divided in two parts, 4215 and 2113, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 42152113 in words is "forty-two million, one hundred fifty-two thousand, one hundred thirteen".