510421225 has 24 divisors (see below), whose sum is σ = 668360000. Its totient is φ = 385611840.

The previous prime is 510421207. The next prime is 510421229. The reversal of 510421225 is 522124015.

It is not a de Polignac number, because 510421225 - 2¹⁷ = 510290153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 510421196 and 510421205.

It is not an unprimeable number, because it can be changed into a prime (510421229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164236 + ... + 167314.

Almost surely, 2^510421225 is an apocalyptic number.

It is an amenable number.

510421225 is a deficient number, since it is larger than the sum of its proper divisors (157938775).

510421225 is a wasteful number, since it uses less digits than its factorization.

510421225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 510421225 is about 22592.5037346461. The cubic root of 510421225 is about 799.1768747256.

The spelling of 510421225 in words is "five hundred ten million, four hundred twenty-one thousand, two hundred twenty-five".