245006512 has 20 divisors (see below), whose sum is σ = 479312080. Its totient is φ = 121313088.

The previous prime is 245006449. The next prime is 245006537. The reversal of 245006512 is 215600542.

It is a super-2 number, since 2×245006512² = 120056381844812288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72687 + ... + 75982.

It is an arithmetic number, because the mean of its divisors is an integer number (23965604).

Almost surely, 2^245006512 is an apocalyptic number.

It is an amenable number.

245006512 is a deficient number, since it is larger than the sum of its proper divisors (234305568).

245006512 is a wasteful number, since it uses less digits than its factorization.

245006512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148780 (or 148774 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 245006512 is about 15652.6838593259. The cubic root of 245006512 is about 625.7380184231.

The spelling of 245006512 in words is "two hundred forty-five million, six thousand, five hundred twelve".