42093511 has 8 divisors (see below), whose sum is σ = 43520400. Its totient is φ = 40685760.

The previous prime is 42093503. The next prime is 42093523. The reversal of 42093511 is 11539024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42093511 - 2³ = 42093503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42093551) 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, 241 + ... + 9178.

It is an arithmetic number, because the mean of its divisors is an integer number (5440050).

Almost surely, 2^42093511 is an apocalyptic number.

42093511 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42093511 is the 2902-nd centered decagonal number.

42093511 is a deficient number, since it is larger than the sum of its proper divisors (1426889).

42093511 is a wasteful number, since it uses less digits than its factorization.

42093511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9569.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 42093511 is about 6487.9512174492. The cubic root of 42093511 is about 347.8604468631.

The spelling of 42093511 in words is "forty-two million, ninety-three thousand, five hundred eleven".