42562087 has 2 divisors, whose sum is σ = 42562088. Its totient is φ = 42562086.

The previous prime is 42562073. The next prime is 42562129. The reversal of 42562087 is 78026524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42562087 - 2¹⁹ = 42037799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42562007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21281043 + 21281044.

It is an arithmetic number, because the mean of its divisors is an integer number (21281044).

Almost surely, 2^42562087 is an apocalyptic number.

42562087 is a deficient number, since it is larger than the sum of its proper divisors (1).

42562087 is an equidigital number, since it uses as much as digits as its factorization.

42562087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 42562087 is about 6523.9625228844. The cubic root of 42562087 is about 349.1464562122.

The spelling of 42562087 in words is "forty-two million, five hundred sixty-two thousand, eighty-seven".