42602057 has 2 divisors, whose sum is σ = 42602058. Its totient is φ = 42602056.

The previous prime is 42602039. The next prime is 42602149. The reversal of 42602057 is 75020624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31685641 + 10916416 = 5629^2 + 3304^2 .

It is a cyclic number.

It is not a de Polignac number, because 42602057 - 2²⁰ = 41553481 is a prime.

It is not a weakly prime, because it can be changed into another prime (42602657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21301028 + 21301029.

It is an arithmetic number, because the mean of its divisors is an integer number (21301029).

Almost surely, 2^42602057 is an apocalyptic number.

It is an amenable number.

42602057 is a deficient number, since it is larger than the sum of its proper divisors (1).

42602057 is an equidigital number, since it uses as much as digits as its factorization.

42602057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 42602057 is about 6527.0251263497. The cubic root of 42602057 is about 349.2557163435.

The spelling of 42602057 in words is "forty-two million, six hundred two thousand, fifty-seven".