42351101 has 4 divisors (see below), whose sum is σ = 45608892. Its totient is φ = 39093312.

The previous prime is 42351083. The next prime is 42351109. The reversal of 42351101 is 10115324.

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 16605625 + 25745476 = 4075^2 + 5074^2 .

It is a cyclic number.

It is not a de Polignac number, because 42351101 - 2⁶ = 42351037 is a prime.

It is a Duffinian number.

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 42351101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42351109) 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, 1628876 + ... + 1628901.

It is an arithmetic number, because the mean of its divisors is an integer number (11402223).

Almost surely, 2^42351101 is an apocalyptic number.

It is an amenable number.

42351101 is a deficient number, since it is larger than the sum of its proper divisors (3257791).

42351101 is a wasteful number, since it uses less digits than its factorization.

42351101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257790.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 42351101 is about 6507.7723531175. The cubic root of 42351101 is about 348.5685782759.

Adding to 42351101 its reverse (10115324), we get a palindrome (52466425).

The spelling of 42351101 in words is "forty-two million, three hundred fifty-one thousand, one hundred one".