245753 has 2 divisors, whose sum is σ = 245754. Its totient is φ = 245752.

The previous prime is 245747. The next prime is 245759. The reversal of 245753 is 357542.

It is a balanced prime because it is at equal distance from previous prime (245747) and next prime (245759).

It can be written as a sum of positive squares in only one way, i.e., 243049 + 2704 = 493^2 + 52^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245753 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122876 + 122877.

It is an arithmetic number, because the mean of its divisors is an integer number (122877).

245753 is a Friedman number, since it can be written as 5*4^(5+2)*3-7, using all its digits and the basic arithmetic operations.

2²⁴⁵⁷⁵³ is an apocalyptic number.

It is an amenable number.

245753 is a deficient number, since it is larger than the sum of its proper divisors (1).

245753 is an equidigital number, since it uses as much as digits as its factorization.

245753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 26.

The square root of 245753 is about 495.7348081384. The cubic root of 245753 is about 62.6372875466.

The spelling of 245753 in words is "two hundred forty-five thousand, seven hundred fifty-three".