42524487 has 8 divisors (see below), whose sum is σ = 62999280. Its totient is φ = 28349640.

The previous prime is 42524483. The next prime is 42524491. The reversal of 42524487 is 78442524.

It is an interprime number because it is at equal distance from previous prime (42524483) and next prime (42524491).

It is not a de Polignac number, because 42524487 - 2² = 42524483 is a prime.

It is a super-2 number, since 2×42524487² = 3616663989226338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42524483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787464 + ... + 787517.

It is an arithmetic number, because the mean of its divisors is an integer number (7874910).

Almost surely, 2^42524487 is an apocalyptic number.

42524487 is a deficient number, since it is larger than the sum of its proper divisors (20474793).

42524487 is a wasteful number, since it uses less digits than its factorization.

42524487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574990 (or 1574984 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 42524487 is about 6521.0802019297. The cubic root of 42524487 is about 349.0436121447.

The spelling of 42524487 in words is "forty-two million, five hundred twenty-four thousand, four hundred eighty-seven".