245513055 has 8 divisors (see below), whose sum is σ = 392820912. Its totient is φ = 130940288.

The previous prime is 245513053. The next prime is 245513069. The reversal of 245513055 is 550315542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245513055 - 2¹ = 245513053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245513053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8183754 + ... + 8183783.

It is an arithmetic number, because the mean of its divisors is an integer number (49102614).

Almost surely, 2^245513055 is an apocalyptic number.

245513055 is a deficient number, since it is larger than the sum of its proper divisors (147307857).

245513055 is a wasteful number, since it uses less digits than its factorization.

245513055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16367545.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 245513055 is about 15668.8562122447. The cubic root of 245513055 is about 626.1689525834.

Adding to 245513055 its reverse (550315542), we get a palindrome (795828597).

The spelling of 245513055 in words is "two hundred forty-five million, five hundred thirteen thousand, fifty-five".