42152505 has 8 divisors (see below), whose sum is σ = 67444032. Its totient is φ = 22481328.

The previous prime is 42152489. The next prime is 42152521. The reversal of 42152505 is 50525124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42152489) and next prime (42152521).

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

It is not a de Polignac number, because 42152505 - 2⁴ = 42152489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405069 + ... + 1405098.

It is an arithmetic number, because the mean of its divisors is an integer number (8430504).

Almost surely, 2^42152505 is an apocalyptic number.

It is an amenable number.

42152505 is a deficient number, since it is larger than the sum of its proper divisors (25291527).

42152505 is a wasteful number, since it uses less digits than its factorization.

42152505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810175.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 42152505 is about 6492.4960531370. The cubic root of 42152505 is about 348.0228796557.

Adding to 42152505 its reverse (50525124), we get a palindrome (92677629).

The spelling of 42152505 in words is "forty-two million, one hundred fifty-two thousand, five hundred five".