42480197 has 2 divisors, whose sum is σ = 42480198. Its totient is φ = 42480196.

The previous prime is 42480169. The next prime is 42480227. The reversal of 42480197 is 79108424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40627876 + 1852321 = 6374^2 + 1361^2 .

It is a cyclic number.

It is not a de Polignac number, because 42480197 - 2⁶ = 42480133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42480167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21240098 + 21240099.

It is an arithmetic number, because the mean of its divisors is an integer number (21240099).

Almost surely, 2^42480197 is an apocalyptic number.

It is an amenable number.

42480197 is a deficient number, since it is larger than the sum of its proper divisors (1).

42480197 is an equidigital number, since it uses as much as digits as its factorization.

42480197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 42480197 is about 6517.6834074693. The cubic root of 42480197 is about 348.9223916999.

The spelling of 42480197 in words is "forty-two million, four hundred eighty thousand, one hundred ninety-seven".