252625729 has 8 divisors (see below), whose sum is σ = 281564640. Its totient is φ = 225251136.

The previous prime is 252625687. The next prime is 252625741. The reversal of 252625729 is 927526252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252625729 - 2¹⁵ = 252592961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252625691 and 252625700.

It is not an unprimeable number, because it can be changed into a prime (252622729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390739 + ... + 391384.

It is an arithmetic number, because the mean of its divisors is an integer number (35195580).

Almost surely, 2^252625729 is an apocalyptic number.

It is an amenable number.

252625729 is a deficient number, since it is larger than the sum of its proper divisors (28938911).

252625729 is a wasteful number, since it uses less digits than its factorization.

252625729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782159.

The product of its digits is 151200, while the sum is 40.

The square root of 252625729 is about 15894.2042581565. The cubic root of 252625729 is about 632.1583225435.

The spelling of 252625729 in words is "two hundred fifty-two million, six hundred twenty-five thousand, seven hundred twenty-nine".