509254425 has 24 divisors (see below), whose sum is σ = 935520480. Its totient is φ = 271602000.

The previous prime is 509254373. The next prime is 509254433. The reversal of 509254425 is 524452905.

509254425 is a `hidden beast` number, since 5 + 0 + 92 + 544 + 25 = 666.

It is not a de Polignac number, because 509254425 - 2¹⁰ = 509253401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 509254425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376551 + ... + 377900.

It is an arithmetic number, because the mean of its divisors is an integer number (38980020).

Almost surely, 2^509254425 is an apocalyptic number.

It is an amenable number.

509254425 is a deficient number, since it is larger than the sum of its proper divisors (426266055).

509254425 is a wasteful number, since it uses less digits than its factorization.

509254425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754470 (or 754459 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 509254425 is about 22566.6662358444. Note that the first 3 decimals coincide. The cubic root of 509254425 is about 798.5674493001.

The spelling of 509254425 in words is "five hundred nine million, two hundred fifty-four thousand, four hundred twenty-five".