42524019 has 6 divisors (see below), whose sum is σ = 61423596. Its totient is φ = 28349340.

The previous prime is 42524017. The next prime is 42524039. The reversal of 42524019 is 91042524.

42524019 is a `hidden beast` number, since 4 + 252 + 401 + 9 = 666.

It is not a de Polignac number, because 42524019 - 2¹ = 42524017 is a prime.

It is a super-2 number, since 2×42524019² = 3616584383824722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42523983 and 42524001.

It is not an unprimeable number, because it can be changed into a prime (42524017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2362437 + ... + 2362454.

It is an arithmetic number, because the mean of its divisors is an integer number (10237266).

Almost surely, 2^42524019 is an apocalyptic number.

42524019 is a deficient number, since it is larger than the sum of its proper divisors (18899577).

42524019 is a wasteful number, since it uses less digits than its factorization.

42524019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724897 (or 4724894 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 42524019 is about 6521.0443182055. The cubic root of 42524019 is about 349.0423316824.

The spelling of 42524019 in words is "forty-two million, five hundred twenty-four thousand, nineteen".