245552130 has 24 divisors (see below), whose sum is σ = 638435772. Its totient is φ = 65480544.

The previous prime is 245552101. The next prime is 245552171. The reversal of 245552130 is 31255542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 201952521 + 43599609 = 14211^2 + 6603^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245552094 and 245552103.

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 11 ways as a sum of consecutive naturals, for example, 1364089 + ... + 1364268.

Almost surely, 2^245552130 is an apocalyptic number.

245552130 is an abundant number, since it is smaller than the sum of its proper divisors (392883642).

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

245552130 is a wasteful number, since it uses less digits than its factorization.

245552130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728370 (or 2728367 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 245552130 is about 15670.1030628391. The cubic root of 245552130 is about 626.2021704421.

The spelling of 245552130 in words is "two hundred forty-five million, five hundred fifty-two thousand, one hundred thirty".