42458533 has 4 divisors (see below), whose sum is σ = 45724588. Its totient is φ = 39192480.

The previous prime is 42458519. The next prime is 42458539. The reversal of 42458533 is 33585424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21095649 + 21362884 = 4593^2 + 4622^2 .

It is a cyclic number.

It is not a de Polignac number, because 42458533 - 2⁹ = 42458021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42458539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633008 + ... + 1633033.

It is an arithmetic number, because the mean of its divisors is an integer number (11431147).

Almost surely, 2^42458533 is an apocalyptic number.

It is an amenable number.

42458533 is a deficient number, since it is larger than the sum of its proper divisors (3266055).

42458533 is a wasteful number, since it uses less digits than its factorization.

42458533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266054.

The product of its digits is 57600, while the sum is 34.

The square root of 42458533 is about 6516.0212553367. The cubic root of 42458533 is about 348.8630672729.

The spelling of 42458533 in words is "forty-two million, four hundred fifty-eight thousand, five hundred thirty-three".