42152201 has 12 divisors (see below), whose sum is σ = 52806852. Its totient is φ = 33350688.

The previous prime is 42152183. The next prime is 42152221. The reversal of 42152201 is 10225124.

It can be written as a sum of positive squares in 2 ways, for example, as 4206601 + 37945600 = 2051^2 + 6160^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42152201 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42152201.

It is not an unprimeable number, because it can be changed into a prime (42152221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32450 + ... + 33723.

It is an arithmetic number, because the mean of its divisors is an integer number (4400571).

Almost surely, 2^42152201 is an apocalyptic number.

It is an amenable number.

42152201 is a deficient number, since it is larger than the sum of its proper divisors (10654651).

42152201 is a wasteful number, since it uses less digits than its factorization.

42152201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66200 (or 66193 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42152201 is about 6492.4726414518. The cubic root of 42152201 is about 348.0220430173.

Adding to 42152201 its reverse (10225124), we get a palindrome (52377325).

The spelling of 42152201 in words is "forty-two million, one hundred fifty-two thousand, two hundred one".