245601 has 12 divisors (see below), whose sum is σ = 367380. Its totient is φ = 157920.

The previous prime is 245593. The next prime is 245621. The reversal of 245601 is 106542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140625 + 104976 = 375^2 + 324^2 .

It is not a de Polignac number, because 245601 - 2³ = 245593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (30615).

2²⁴⁵⁶⁰¹ is an apocalyptic number.

It is an amenable number.

245601 is a deficient number, since it is larger than the sum of its proper divisors (121779).

245601 is a wasteful number, since it uses less digits than its factorization.

245601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 245601 is about 495.5814766514. The cubic root of 245601 is about 62.6243710121.

It can be divided in two parts, 24 and 5601, that added together give a square (5625 = 75²).

The spelling of 245601 in words is "two hundred forty-five thousand, six hundred one".