2445493 has 4 divisors (see below), whose sum is σ = 2455488. Its totient is φ = 2435500.

The previous prime is 2445481. The next prime is 2445517. The reversal of 2445493 is 3945442.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3945442 = 2 ⋅1972721.

It is a cyclic number.

It is not a de Polignac number, because 2445493 - 2⁵ = 2445461 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445413) 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, 4621 + ... + 5122.

It is an arithmetic number, because the mean of its divisors is an integer number (613872).

2^2445493 is an apocalyptic number.

It is an amenable number.

2445493 is a deficient number, since it is larger than the sum of its proper divisors (9995).

2445493 is an equidigital number, since it uses as much as digits as its factorization.

2445493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9994.

The product of its digits is 17280, while the sum is 31.

The square root of 2445493 is about 1563.8072131820. The cubic root of 2445493 is about 134.7272591371.

The spelling of 2445493 in words is "two million, four hundred forty-five thousand, four hundred ninety-three".