42059497 has 2 divisors, whose sum is σ = 42059498. Its totient is φ = 42059496.

The previous prime is 42059473. The next prime is 42059527. The reversal of 42059497 is 79495024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41525136 + 534361 = 6444^2 + 731^2 .

It is a cyclic number.

It is not a de Polignac number, because 42059497 - 2¹⁹ = 41535209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42059447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21029748 + 21029749.

It is an arithmetic number, because the mean of its divisors is an integer number (21029749).

Almost surely, 2^42059497 is an apocalyptic number.

It is an amenable number.

42059497 is a deficient number, since it is larger than the sum of its proper divisors (1).

42059497 is an equidigital number, since it uses as much as digits as its factorization.

42059497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 42059497 is about 6485.3293671178. The cubic root of 42059497 is about 347.7667244706.

The spelling of 42059497 in words is "forty-two million, fifty-nine thousand, four hundred ninety-seven".