245536 has 12 divisors (see below), whose sum is σ = 483462. Its totient is φ = 122752.

The previous prime is 245533. The next prime is 245561. The reversal of 245536 is 635542.

It can be written as a sum of positive squares in only one way, i.e., 197136 + 48400 = 444^2 + 220^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 245536.

It is not an unprimeable number, because it can be changed into a prime (245533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3805 + ... + 3868.

2²⁴⁵⁵³⁶ is an apocalyptic number.

It is an amenable number.

245536 is a deficient number, since it is larger than the sum of its proper divisors (237926).

245536 is an equidigital number, since it uses as much as digits as its factorization.

245536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683 (or 7675 counting only the distinct ones).

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

The square root of 245536 is about 495.5158927825. The cubic root of 245536 is about 62.6188458673.

The spelling of 245536 in words is "two hundred forty-five thousand, five hundred thirty-six".