245205533 has 4 divisors (see below), whose sum is σ = 250422720. Its totient is φ = 239988348.

The previous prime is 245205497. The next prime is 245205539. The reversal of 245205533 is 335502542.

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-245205533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245205496 and 245205505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245205539) 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, 2608523 + ... + 2608616.

It is an arithmetic number, because the mean of its divisors is an integer number (62605680).

Almost surely, 2^245205533 is an apocalyptic number.

It is an amenable number.

245205533 is a deficient number, since it is larger than the sum of its proper divisors (5217187).

245205533 is an equidigital number, since it uses as much as digits as its factorization.

245205533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217186.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 245205533 is about 15659.0399769590. The cubic root of 245205533 is about 625.9074034462.

The spelling of 245205533 in words is "two hundred forty-five million, two hundred five thousand, five hundred thirty-three".