245052245 has 4 divisors (see below), whose sum is σ = 294062700. Its totient is φ = 196041792.

The previous prime is 245052187. The next prime is 245052257. The reversal of 245052245 is 542250542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542250542 = 2 ⋅271125271.

It can be written as a sum of positive squares in 2 ways, for example, as 70442449 + 174609796 = 8393^2 + 13214^2 .

It is a cyclic number.

It is not a de Polignac number, because 245052245 - 2¹⁰ = 245051221 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24505220 + ... + 24505229.

It is an arithmetic number, because the mean of its divisors is an integer number (73515675).

Almost surely, 2^245052245 is an apocalyptic number.

It is an amenable number.

245052245 is a deficient number, since it is larger than the sum of its proper divisors (49010455).

245052245 is an equidigital number, since it uses as much as digits as its factorization.

245052245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49010454.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 245052245 is about 15654.1446588435. The cubic root of 245052245 is about 625.7769494923.

The spelling of 245052245 in words is "two hundred forty-five million, fifty-two thousand, two hundred forty-five".