42504511 has 12 divisors (see below), whose sum is σ = 50596392. Its totient is φ = 35583408.

The previous prime is 42504491. The next prime is 42504533. The reversal of 42504511 is 11540524.

It is not a de Polignac number, because 42504511 - 2⁵ = 42504479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42504551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7980 + ... + 12193.

It is an arithmetic number, because the mean of its divisors is an integer number (4216366).

Almost surely, 2^42504511 is an apocalyptic number.

42504511 is a deficient number, since it is larger than the sum of its proper divisors (8091881).

42504511 is a wasteful number, since it uses less digits than its factorization.

42504511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20230 (or 20223 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 42504511 is about 6519.5483739290. The cubic root of 42504511 is about 348.9889488377.

The spelling of 42504511 in words is "forty-two million, five hundred four thousand, five hundred eleven".