42530701 has 2 divisors, whose sum is σ = 42530702. Its totient is φ = 42530700.

The previous prime is 42530699. The next prime is 42530707. The reversal of 42530701 is 10703524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26936100 + 15594601 = 5190^2 + 3949^2 .

It is a cyclic number.

It is not a de Polignac number, because 42530701 - 2¹ = 42530699 is a prime.

Together with 42530699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42530707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21265350 + 21265351.

It is an arithmetic number, because the mean of its divisors is an integer number (21265351).

Almost surely, 2^42530701 is an apocalyptic number.

It is an amenable number.

42530701 is a deficient number, since it is larger than the sum of its proper divisors (1).

42530701 is an equidigital number, since it uses as much as digits as its factorization.

42530701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 42530701 is about 6521.5566393308. The cubic root of 42530701 is about 349.0606129484.

The spelling of 42530701 in words is "forty-two million, five hundred thirty thousand, seven hundred one".