245994530 has 32 divisors (see below), whose sum is σ = 461214000. Its totient is φ = 94350592.

The previous prime is 245994527. The next prime is 245994533. The reversal of 245994530 is 35499542.

It is an interprime number because it is at equal distance from previous prime (245994527) and next prime (245994533).

It can be written as a sum of positive squares in 8 ways, for example, as 20784481 + 225210049 = 4559^2 + 15007^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (245994533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40364 + ... + 46056.

Almost surely, 2^245994530 is an apocalyptic number.

245994530 is a deficient number, since it is larger than the sum of its proper divisors (215219470).

245994530 is a wasteful number, since it uses less digits than its factorization.

245994530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 245994530 is about 15684.2127631577. The cubic root of 245994530 is about 626.5780113883.

The spelling of 245994530 in words is "two hundred forty-five million, nine hundred ninety-four thousand, five hundred thirty".