42232493 has 4 divisors (see below), whose sum is σ = 43214688. Its totient is φ = 41250300.

The previous prime is 42232481. The next prime is 42232499. The reversal of 42232493 is 39423224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42232493 - 2²⁰ = 41183917 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 (42232499) 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, 491033 + ... + 491118.

It is an arithmetic number, because the mean of its divisors is an integer number (10803672).

Almost surely, 2^42232493 is an apocalyptic number.

42232493 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42232493 is a deficient number, since it is larger than the sum of its proper divisors (982195).

42232493 is an equidigital number, since it uses as much as digits as its factorization.

42232493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982194.

The product of its digits is 10368, while the sum is 29.

The square root of 42232493 is about 6498.6531681572. The cubic root of 42232493 is about 348.2428749998.

The spelling of 42232493 in words is "forty-two million, two hundred thirty-two thousand, four hundred ninety-three".