245780325 has 90 divisors (see below), whose sum is σ = 529813746. Its totient is φ = 112311360.

The previous prime is 245780299. The next prime is 245780357. The reversal of 245780325 is 523087542.

It can be written as a sum of positive squares in 3 ways, for example, as 15256836 + 230523489 = 3906^2 + 15183^2 .

It is not a de Polignac number, because 245780325 - 2⁶ = 245780261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245780325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 97987 + ... + 100463.

Almost surely, 2^245780325 is an apocalyptic number.

245780325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245780325 is an abundant number, since it is smaller than the sum of its proper divisors (284033421).

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

245780325 is a wasteful number, since it uses less digits than its factorization.

245780325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 245780325 is about 15677.3825940429. The cubic root of 245780325 is about 626.3960898377.

The spelling of 245780325 in words is "two hundred forty-five million, seven hundred eighty thousand, three hundred twenty-five".