245412520 has 32 divisors (see below), whose sum is σ = 553281120. Its totient is φ = 97968960.

The previous prime is 245412467. The next prime is 245412539. The reversal of 245412520 is 25214542.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15055 + ... + 26785.

It is an arithmetic number, because the mean of its divisors is an integer number (17290035).

Almost surely, 2^245412520 is an apocalyptic number.

245412520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245412520 is an abundant number, since it is smaller than the sum of its proper divisors (307868600).

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

245412520 is a wasteful number, since it uses less digits than its factorization.

245412520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12265 (or 12261 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 245412520 is about 15665.6477682859. The cubic root of 245412520 is about 626.0834710594.

The spelling of 245412520 in words is "two hundred forty-five million, four hundred twelve thousand, five hundred twenty".