510421125 has 16 divisors (see below), whose sum is σ = 849341376. Its totient is φ = 272224400.

The previous prime is 510421123. The next prime is 510421139. The reversal of 510421125 is 521124015.

It is not a de Polignac number, because 510421125 - 2¹ = 510421123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510421123) 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, 680187 + ... + 680936.

It is an arithmetic number, because the mean of its divisors is an integer number (53083836).

Almost surely, 2^510421125 is an apocalyptic number.

It is an amenable number.

510421125 is a deficient number, since it is larger than the sum of its proper divisors (338920251).

510421125 is a wasteful number, since it uses less digits than its factorization.

510421125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361141 (or 1361131 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 510421125 is about 22592.5015215226. The cubic root of 510421125 is about 799.1768225349.

The spelling of 510421125 in words is "five hundred ten million, four hundred twenty-one thousand, one hundred twenty-five".