510220325 has 6 divisors (see below), whose sum is σ = 632673234. Its totient is φ = 408176240.

The previous prime is 510220313. The next prime is 510220363. The reversal of 510220325 is 523022015.

It can be written as a sum of positive squares in 3 ways, for example, as 2033476 + 508186849 = 1426^2 + 22543^2 .

It is not a de Polignac number, because 510220325 - 2⁴ = 510220309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 510220297 and 510220306.

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, 10204382 + ... + 10204431.

It is an arithmetic number, because the mean of its divisors is an integer number (105445539).

Almost surely, 2^510220325 is an apocalyptic number.

It is an amenable number.

510220325 is a deficient number, since it is larger than the sum of its proper divisors (122452909).

510220325 is a wasteful number, since it uses less digits than its factorization.

510220325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20408823 (or 20408818 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 510220325 is about 22588.0571320333. The cubic root of 510220325 is about 799.0720098967.

The spelling of 510220325 in words is "five hundred ten million, two hundred twenty thousand, three hundred twenty-five".