42465587 has 2 divisors, whose sum is σ = 42465588. Its totient is φ = 42465586.

The previous prime is 42465583. The next prime is 42465617. The reversal of 42465587 is 78556424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42465587 - 2² = 42465583 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42465583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21232793 + 21232794.

It is an arithmetic number, because the mean of its divisors is an integer number (21232794).

Almost surely, 2^42465587 is an apocalyptic number.

42465587 is a deficient number, since it is larger than the sum of its proper divisors (1).

42465587 is an equidigital number, since it uses as much as digits as its factorization.

42465587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 268800, while the sum is 41.

The square root of 42465587 is about 6516.5625140867. The cubic root of 42465587 is about 348.8823860736.

The spelling of 42465587 in words is "forty-two million, four hundred sixty-five thousand, five hundred eighty-seven".