42375601 has 2 divisors, whose sum is σ = 42375602. Its totient is φ = 42375600.

The previous prime is 42375587. The next prime is 42375617. The reversal of 42375601 is 10657324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26255376 + 16120225 = 5124^2 + 4015^2 .

It is a cyclic number.

It is not a de Polignac number, because 42375601 - 2⁹ = 42375089 is a prime.

It is a super-2 number, since 2×42375601² = 3591383120222402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42375601.

It is not a weakly prime, because it can be changed into another prime (42375631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21187800 + 21187801.

It is an arithmetic number, because the mean of its divisors is an integer number (21187801).

Almost surely, 2^42375601 is an apocalyptic number.

It is an amenable number.

42375601 is a deficient number, since it is larger than the sum of its proper divisors (1).

42375601 is an equidigital number, since it uses as much as digits as its factorization.

42375601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 42375601 is about 6509.6544455140. The cubic root of 42375601 is about 348.6357806525.

The spelling of 42375601 in words is "forty-two million, three hundred seventy-five thousand, six hundred one".