245516518 has 16 divisors (see below), whose sum is σ = 417478320. Its totient is φ = 107351136.

The previous prime is 245516507. The next prime is 245516519. The reversal of 245516518 is 815615542.

It is a super-2 number, since 2×245516518² = 120556721221688648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245516519) by changing a digit.

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, 248005 + ... + 248992.

It is an arithmetic number, because the mean of its divisors is an integer number (26092395).

Almost surely, 2^245516518 is an apocalyptic number.

245516518 is a deficient number, since it is larger than the sum of its proper divisors (171961802).

245516518 is a wasteful number, since it uses less digits than its factorization.

245516518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497031.

The product of its digits is 48000, while the sum is 37.

The square root of 245516518 is about 15668.9667176875. The cubic root of 245516518 is about 626.1718966399.

The spelling of 245516518 in words is "two hundred forty-five million, five hundred sixteen thousand, five hundred eighteen".