42499093 has 16 divisors (see below), whose sum is σ = 53527936. Its totient is φ = 32840640.

The previous prime is 42499091. The next prime is 42499097. The reversal of 42499093 is 39099424.

It is not a de Polignac number, because 42499093 - 2¹ = 42499091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42499091) 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 15 ways as a sum of consecutive naturals, for example, 1518 + ... + 9343.

It is an arithmetic number, because the mean of its divisors is an integer number (3345496).

Almost surely, 2^42499093 is an apocalyptic number.

42499093 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42499093 is a deficient number, since it is larger than the sum of its proper divisors (11028843).

42499093 is a wasteful number, since it uses less digits than its factorization.

42499093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10924.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 42499093 is about 6519.1328411070. The cubic root of 42499093 is about 348.9741198040.

The spelling of 42499093 in words is "forty-two million, four hundred ninety-nine thousand, ninety-three".