245393 has 4 divisors (see below), whose sum is σ = 246768. Its totient is φ = 244020.

The previous prime is 245389. The next prime is 245407. The reversal of 245393 is 393542.

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: 393542 = 2 ⋅196771.

It is a cyclic number.

It is not a de Polignac number, because 245393 - 2² = 245389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245383) 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 3 ways as a sum of consecutive naturals, for example, 371 + ... + 792.

It is an arithmetic number, because the mean of its divisors is an integer number (61692).

2²⁴⁵³⁹³ is an apocalyptic number.

It is an amenable number.

245393 is a deficient number, since it is larger than the sum of its proper divisors (1375).

245393 is a wasteful number, since it uses less digits than its factorization.

245393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its digits is 3240, while the sum is 26.

The square root of 245393 is about 495.3715777071. The cubic root of 245393 is about 62.6066871155.

It can be divided in two parts, 24539 and 3, that added together give a palindrome (24542).

The spelling of 245393 in words is "two hundred forty-five thousand, three hundred ninety-three".