245365 has 8 divisors (see below), whose sum is σ = 304128. Its totient is φ = 189840.

The previous prime is 245339. The next prime is 245383. The reversal of 245365 is 563542.

245365 = T₂₁ + T₂₂ + ... + T₁₁₃.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245365 - 2¹³ = 237173 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 4⁷ + 3¹¹ + 5 + 6⁶ + 5⁵ .

It is a Duffinian number.

245365 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637 + ... + 946.

It is an arithmetic number, because the mean of its divisors is an integer number (38016).

2²⁴⁵³⁶⁵ is an apocalyptic number.

It is an amenable number.

245365 is a deficient number, since it is larger than the sum of its proper divisors (58763).

245365 is a wasteful number, since it uses less digits than its factorization.

245365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619.

The product of its digits is 3600, while the sum is 25.

The square root of 245365 is about 495.3433152875. The cubic root of 245365 is about 62.6043058279.

The spelling of 245365 in words is "two hundred forty-five thousand, three hundred sixty-five".