230278525 has 6 divisors (see below), whose sum is σ = 285545402. Its totient is φ = 184222800.

The previous prime is 230278513. The next prime is 230278579. The reversal of 230278525 is 525872032.

It can be written as a sum of positive squares in 3 ways, for example, as 65464281 + 164814244 = 8091^2 + 12838^2 .

It is not a de Polignac number, because 230278525 - 2¹¹ = 230276477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4605546 + ... + 4605595.

Almost surely, 2^230278525 is an apocalyptic number.

230278525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230278525 is a deficient number, since it is larger than the sum of its proper divisors (55266877).

230278525 is an equidigital number, since it uses as much as digits as its factorization.

230278525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9211151 (or 9211146 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 230278525 is about 15174.9308070910. The cubic root of 230278525 is about 612.9397868839.

The spelling of 230278525 in words is "two hundred thirty million, two hundred seventy-eight thousand, five hundred twenty-five".