42524087 has 2 divisors, whose sum is σ = 42524088. Its totient is φ = 42524086.

The previous prime is 42524081. The next prime is 42524099. The reversal of 42524087 is 78042524.

42524087 is nontrivially palindromic in base 13.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42524087 - 2¹⁶ = 42458551 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42524081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21262043 + 21262044.

It is an arithmetic number, because the mean of its divisors is an integer number (21262044).

Almost surely, 2^42524087 is an apocalyptic number.

42524087 is a deficient number, since it is larger than the sum of its proper divisors (1).

42524087 is an equidigital number, since it uses as much as digits as its factorization.

42524087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 42524087 is about 6521.0495320922. The cubic root of 42524087 is about 349.0425177330.

The spelling of 42524087 in words is "forty-two million, five hundred twenty-four thousand, eighty-seven".