245653203 has 6 divisors (see below), whose sum is σ = 327573804. Its totient is φ = 163750704.

The previous prime is 245653201. The next prime is 245653231. The reversal of 245653203 is 302356542.

It is not a de Polignac number, because 245653203 - 2¹ = 245653201 is a prime.

It is a super-2 number, since 2×245653203² = 120690992288318418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245653201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22623 + ... + 31671.

It is an arithmetic number, because the mean of its divisors is an integer number (54595634).

Almost surely, 2^245653203 is an apocalyptic number.

245653203 is a deficient number, since it is larger than the sum of its proper divisors (81920601).

245653203 is an frugal number, since it uses more digits than its factorization.

245653203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18101 (or 9052 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 245653203 is about 15673.3277576908. The cubic root of 245653203 is about 626.2880767762.

The spelling of 245653203 in words is "two hundred forty-five million, six hundred fifty-three thousand, two hundred three".