501601825 has 12 divisors (see below), whose sum is σ = 649029888. Its totient is φ = 383834000.

The previous prime is 501601823. The next prime is 501601853. The reversal of 501601825 is 528106105.

It is not a de Polignac number, because 501601825 - 2¹ = 501601823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501601793 and 501601802.

It is not an unprimeable number, because it can be changed into a prime (501601823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435601 + ... + 436750.

It is an arithmetic number, because the mean of its divisors is an integer number (54085824).

Almost surely, 2^501601825 is an apocalyptic number.

It is an amenable number.

501601825 is a deficient number, since it is larger than the sum of its proper divisors (147428063).

501601825 is a wasteful number, since it uses less digits than its factorization.

501601825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872384 (or 872379 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 501601825 is about 22396.4690297377. The cubic root of 501601825 is about 794.5472020389.

The spelling of 501601825 in words is "five hundred one million, six hundred one thousand, eight hundred twenty-five".