245566250 has 20 divisors (see below), whose sum is σ = 460291722. Its totient is φ = 98226000.

The previous prime is 245566247. The next prime is 245566253. The reversal of 245566250 is 52665542.

It is an interprime number because it is at equal distance from previous prime (245566247) and next prime (245566253).

It can be written as a sum of positive squares in 5 ways, for example, as 42133081 + 203433169 = 6491^2 + 14263^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 245566250.

It is not an unprimeable number, because it can be changed into a prime (245566253) 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 9 ways as a sum of consecutive naturals, for example, 96977 + ... + 99476.

Almost surely, 2^245566250 is an apocalyptic number.

245566250 is a deficient number, since it is larger than the sum of its proper divisors (214725472).

245566250 is an equidigital number, since it uses as much as digits as its factorization.

245566250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196475 (or 196460 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 245566250 is about 15670.5535958370. The cubic root of 245566250 is about 626.2141730600.

The spelling of 245566250 in words is "two hundred forty-five million, five hundred sixty-six thousand, two hundred fifty".