304312206025 has 27 divisors (see below), whose sum is σ = 390021872103. Its totient is φ = 235530349200.

The previous prime is 304312206001. The next prime is 304312206049. The reversal of 304312206025 is 520602213403.

The square root of 304312206025 is 551645.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (304312206001) and next prime (304312206049).

It can be written as a sum of positive squares in only one way, i.e., 109552394169 + 194759811856 = 330987^2 + 441316^2 .

It is not a de Polignac number, because 304312206025 - 2²⁹ = 303775335113 is a prime.

It is a super-3 number, since 3×304312206025³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304312205984 and 304312206002.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 85503196 + ... + 85506754.

Almost surely, 2^304312206025 is an apocalyptic number.

304312206025 is the 551645-th square number.

304312206025 is the 275823-rd centered octagonal number.

It is an amenable number.

304312206025 is a deficient number, since it is larger than the sum of its proper divisors (85709666078).

304312206025 is an frugal number, since it uses more digits than its factorization.

304312206025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7190 (or 3595 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 304312206025 its reverse (520602213403), we get a palindrome (824914419428).

The spelling of 304312206025 in words is "three hundred four billion, three hundred twelve million, two hundred six thousand, twenty-five".