245064493 has 4 divisors (see below), whose sum is σ = 248722240. Its totient is φ = 241406748.

The previous prime is 245064419. The next prime is 245064509. The reversal of 245064493 is 394460542.

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.

It is a cyclic number.

It is not a de Polignac number, because 245064493 - 2⁹ = 245063981 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 (245064403) 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, 1828773 + ... + 1828906.

It is an arithmetic number, because the mean of its divisors is an integer number (62180560).

Almost surely, 2^245064493 is an apocalyptic number.

It is an amenable number.

245064493 is a deficient number, since it is larger than the sum of its proper divisors (3657747).

245064493 is an equidigital number, since it uses as much as digits as its factorization.

245064493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657746.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 245064493 is about 15654.5358602547. The cubic root of 245064493 is about 625.7873750084.

The spelling of 245064493 in words is "two hundred forty-five million, sixty-four thousand, four hundred ninety-three".