501530525 has 12 divisors (see below), whose sum is σ = 648937632. Its totient is φ = 383779440.

The previous prime is 501530521. The next prime is 501530527. The reversal of 501530525 is 525035105.

It is not a de Polignac number, because 501530525 - 2² = 501530521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501530494 and 501530503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501530521) 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, 435539 + ... + 436688.

It is an arithmetic number, because the mean of its divisors is an integer number (54078136).

Almost surely, 2^501530525 is an apocalyptic number.

It is an amenable number.

501530525 is a deficient number, since it is larger than the sum of its proper divisors (147407107).

501530525 is a wasteful number, since it uses less digits than its factorization.

501530525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872260 (or 872255 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 501530525 is about 22394.8772043965. The cubic root of 501530525 is about 794.5095533853.

The spelling of 501530525 in words is "five hundred one million, five hundred thirty thousand, five hundred twenty-five".