245365633 has 4 divisors (see below), whose sum is σ = 256033728. Its totient is φ = 234697540.

The previous prime is 245365609. The next prime is 245365643. The reversal of 245365633 is 336563542.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245365633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245365592 and 245365601.

It is not an unprimeable number, because it can be changed into a prime (245365643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5334013 + ... + 5334058.

It is an arithmetic number, because the mean of its divisors is an integer number (64008432).

Almost surely, 2^245365633 is an apocalyptic number.

245365633 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

245365633 is a deficient number, since it is larger than the sum of its proper divisors (10668095).

245365633 is a wasteful number, since it uses less digits than its factorization.

245365633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668094.

The product of its digits is 194400, while the sum is 37.

The square root of 245365633 is about 15664.1512058586. The cubic root of 245365633 is about 626.0435966398.

It can be divided in two parts, 2453 and 65633, that added together give a palindrome (68086).

The spelling of 245365633 in words is "two hundred forty-five million, three hundred sixty-five thousand, six hundred thirty-three".