42046657 has 2 divisors, whose sum is σ = 42046658. Its totient is φ = 42046656.

The previous prime is 42046651. The next prime is 42046663. The reversal of 42046657 is 75664024.

It is a balanced prime because it is at equal distance from previous prime (42046651) and next prime (42046663).

It can be written as a sum of positive squares in only one way, i.e., 28826161 + 13220496 = 5369^2 + 3636^2 .

It is a cyclic number.

It is not a de Polignac number, because 42046657 - 2¹¹ = 42044609 is a prime.

It is not a weakly prime, because it can be changed into another prime (42046651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21023328 + 21023329.

It is an arithmetic number, because the mean of its divisors is an integer number (21023329).

Almost surely, 2^42046657 is an apocalyptic number.

It is an amenable number.

42046657 is a deficient number, since it is larger than the sum of its proper divisors (1).

42046657 is an equidigital number, since it uses as much as digits as its factorization.

42046657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 42046657 is about 6484.3393649623. The cubic root of 42046657 is about 347.7313319153.

The spelling of 42046657 in words is "forty-two million, forty-six thousand, six hundred fifty-seven".