42152365 has 4 divisors (see below), whose sum is σ = 50582844. Its totient is φ = 33721888.

The previous prime is 42152347. The next prime is 42152377. The reversal of 42152365 is 56325124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22915369 + 19236996 = 4787^2 + 4386^2 .

It is a cyclic number.

It is not a de Polignac number, because 42152365 - 2⁹ = 42151853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4215232 + ... + 4215241.

It is an arithmetic number, because the mean of its divisors is an integer number (12645711).

Almost surely, 2^42152365 is an apocalyptic number.

It is an amenable number.

42152365 is a deficient number, since it is larger than the sum of its proper divisors (8430479).

42152365 is an equidigital number, since it uses as much as digits as its factorization.

42152365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8430478.

The product of its digits is 7200, while the sum is 28.

The square root of 42152365 is about 6492.4852714504. The cubic root of 42152365 is about 348.0224943622.

Adding to 42152365 its reverse (56325124), we get a palindrome (98477489).

The spelling of 42152365 in words is "forty-two million, one hundred fifty-two thousand, three hundred sixty-five".