245206052 has 24 divisors (see below), whose sum is σ = 528136896. Its totient is φ = 97004448.

The previous prime is 245206019. The next prime is 245206099. The reversal of 245206052 is 250602542.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336458 + ... + 337185.

It is an arithmetic number, because the mean of its divisors is an integer number (22005704).

Almost surely, 2^245206052 is an apocalyptic number.

It is an amenable number.

245206052 is an abundant number, since it is smaller than the sum of its proper divisors (282930844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245206052 is a wasteful number, since it uses less digits than its factorization.

245206052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673667 (or 673665 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 245206052 is about 15659.0565488474. The cubic root of 245206052 is about 625.9078450426.

Adding to 245206052 its reverse (250602542), we get a palindrome (495808594).

The spelling of 245206052 in words is "two hundred forty-five million, two hundred six thousand, fifty-two".