501252625 has 8 divisors (see below), whose sum is σ = 625563432. Its totient is φ = 401002000.

The previous prime is 501252607. The next prime is 501252629. The reversal of 501252625 is 526252105.

It can be written as a sum of positive squares in 4 ways, for example, as 122677776 + 378574849 = 11076^2 + 19457^2 .

It is not a de Polignac number, because 501252625 - 2²¹ = 499155473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501252593 and 501252602.

It is not an unprimeable number, because it can be changed into a prime (501252629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2004886 + ... + 2005135.

It is an arithmetic number, because the mean of its divisors is an integer number (78195429).

Almost surely, 2^501252625 is an apocalyptic number.

It is an amenable number.

501252625 is a deficient number, since it is larger than the sum of its proper divisors (124310807).

501252625 is an equidigital number, since it uses as much as digits as its factorization.

501252625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010036 (or 4010026 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 501252625 is about 22388.6718007121. The cubic root of 501252625 is about 794.3627793358.

The spelling of 501252625 in words is "five hundred one million, two hundred fifty-two thousand, six hundred twenty-five".