42487011 has 20 divisors (see below), whose sum is σ = 72536112. Its totient is φ = 24277968.

The previous prime is 42487009. The next prime is 42487033. The reversal of 42487011 is 11078424.

It is not a de Polignac number, because 42487011 - 2¹ = 42487009 is a prime.

It is a super-2 number, since 2×42487011² = 3610292207428242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42487061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36900 + ... + 38033.

Almost surely, 2^42487011 is an apocalyptic number.

42487011 is a deficient number, since it is larger than the sum of its proper divisors (30049101).

42487011 is an equidigital number, since it uses as much as digits as its factorization.

42487011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74952 (or 74943 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 42487011 is about 6518.2061182506. The cubic root of 42487011 is about 348.9410469027.

The spelling of 42487011 in words is "forty-two million, four hundred eighty-seven thousand, eleven".